28507658868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:719

約数の個数: 216

約数和(自身を含む): 80070288480

約数和(自身を除く): 51562629612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 169, 211, 212, 234, 318, 338, 419, 422, 468, 477, 507, 633, 636, 676, 689, 838, 844, 954, 1014, 1257, 1266, 1378, 1521, 1676, 1899, 1908, 2028, 2067, 2514, 2532, 2743, 2756, 3042, 3771, 3798, 4134, 5028, 5447, 5486, 6084, 6201, 7542, 7596, 8229, 8268, 8957, 10894, 10972, 11183, 12402, 15084, 16341, 16458, 17914, 21788, 22207, 22366, 24687, 24804, 26871, 32682, 32916, 33549, 35659, 35828, 44414, 44732, 49023, 49374, 53742, 65364, 66621, 67098, 70811, 71318, 80613, 88409, 88828, 98046, 98748, 100647, 106977, 107484, 133242, 134196, 141622, 142636, 145379, 161226, 176818, 196092, 199863, 201294, 212433, 213954, 265227, 266484, 283244, 288691, 290758, 320931, 322452, 353636, 399726, 402588, 424866, 427908, 436137, 530454, 577382, 581516, 637299, 641862, 795681, 799452, 849732, 866073, 872274, 1060908, 1149317, 1154764, 1274598, 1283724, 1308411, 1591362, 1732146, 1744548, 1889927, 2298634, 2549196, 2598219, 2616822, 3182724, 3447951, 3464292, 3752983, 3779854, 4597268, 4685677, 5196438, 5233644, 5669781, 6895902, 7505966, 7559708, 9371354, 10343853, 10392876, 11258949, 11339562, 13791804, 14057031, 14941121, 15011932, 17009343, 18742708, 20687706, 22517898, 22679124, 28114062, 29882242, 33776847, 34018686, 41375412, 42171093, 44823363, 45035796, 56228124, 59764484, 60913801, 67553694, 68037372, 84342186, 89646726, 121827602, 134470089, 135107388, 168684372, 179293452, 182741403, 243655204, 268940178, 365482806, 537880356, 548224209, 730965612, 791879413, 1096448418, 1583758826, 2192896836, 2375638239, 3167517652, 4751276478, 7126914717, 9502552956, 14253829434, 28507658868]

約数ペア:

[(1, 28507658868), (2, 14253829434), (3, 9502552956), (4, 7126914717), (6, 4751276478), (9, 3167517652), (12, 2375638239), (13, 2192896836), (18, 1583758826), (26, 1096448418), (36, 791879413), (39, 730965612), (52, 548224209), (53, 537880356), (78, 365482806), (106, 268940178), (117, 243655204), (156, 182741403), (159, 179293452), (169, 168684372), (211, 135107388), (212, 134470089), (234, 121827602), (318, 89646726), (338, 84342186), (419, 68037372), (422, 67553694), (468, 60913801), (477, 59764484), (507, 56228124), (633, 45035796), (636, 44823363), (676, 42171093), (689, 41375412), (838, 34018686), (844, 33776847), (954, 29882242), (1014, 28114062), (1257, 22679124), (1266, 22517898), (1378, 20687706), (1521, 18742708), (1676, 17009343), (1899, 15011932), (1908, 14941121), (2028, 14057031), (2067, 13791804), (2514, 11339562), (2532, 11258949), (2743, 10392876), (2756, 10343853), (3042, 9371354), (3771, 7559708), (3798, 7505966), (4134, 6895902), (5028, 5669781), (5447, 5233644), (5486, 5196438), (6084, 4685677), (6201, 4597268), (7542, 3779854), (7596, 3752983), (8229, 3464292), (8268, 3447951), (8957, 3182724), (10894, 2616822), (10972, 2598219), (11183, 2549196), (12402, 2298634), (15084, 1889927), (16341, 1744548), (16458, 1732146), (17914, 1591362), (21788, 1308411), (22207, 1283724), (22366, 1274598), (24687, 1154764), (24804, 1149317), (26871, 1060908), (32682, 872274), (32916, 866073), (33549, 849732), (35659, 799452), (35828, 795681), (44414, 641862), (44732, 637299), (49023, 581516), (49374, 577382), (53742, 530454), (65364, 436137), (66621, 427908), (67098, 424866), (70811, 402588), (71318, 399726), (80613, 353636), (88409, 322452), (88828, 320931), (98046, 290758), (98748, 288691), (100647, 283244), (106977, 266484), (107484, 265227), (133242, 213954), (134196, 212433), (141622, 201294), (142636, 199863), (145379, 196092), (161226, 176818)]