28733016

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 84268800

約数和(自身を除く): 55535784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 37, 38, 39, 52, 57, 74, 76, 78, 104, 111, 114, 131, 148, 152, 156, 222, 228, 247, 262, 296, 312, 393, 444, 456, 481, 494, 524, 703, 741, 786, 888, 962, 988, 1048, 1406, 1443, 1482, 1572, 1703, 1924, 1976, 2109, 2489, 2812, 2886, 2964, 3144, 3406, 3848, 4218, 4847, 4978, 5109, 5624, 5772, 5928, 6812, 7467, 8436, 9139, 9694, 9956, 10218, 11544, 13624, 14541, 14934, 16872, 18278, 19388, 19912, 20436, 27417, 29082, 29868, 32357, 36556, 38776, 40872, 54834, 58164, 59736, 63011, 64714, 73112, 92093, 97071, 109668, 116328, 126022, 129428, 184186, 189033, 194142, 219336, 252044, 258856, 276279, 368372, 378066, 388284, 504088, 552558, 736744, 756132, 776568, 1105116, 1197209, 1512264, 2210232, 2394418, 3591627, 4788836, 7183254, 9577672, 14366508, 28733016]

約数ペア:

[(1, 28733016), (2, 14366508), (3, 9577672), (4, 7183254), (6, 4788836), (8, 3591627), (12, 2394418), (13, 2210232), (19, 1512264), (24, 1197209), (26, 1105116), (37, 776568), (38, 756132), (39, 736744), (52, 552558), (57, 504088), (74, 388284), (76, 378066), (78, 368372), (104, 276279), (111, 258856), (114, 252044), (131, 219336), (148, 194142), (152, 189033), (156, 184186), (222, 129428), (228, 126022), (247, 116328), (262, 109668), (296, 97071), (312, 92093), (393, 73112), (444, 64714), (456, 63011), (481, 59736), (494, 58164), (524, 54834), (703, 40872), (741, 38776), (786, 36556), (888, 32357), (962, 29868), (988, 29082), (1048, 27417), (1406, 20436), (1443, 19912), (1482, 19388), (1572, 18278), (1703, 16872), (1924, 14934), (1976, 14541), (2109, 13624), (2489, 11544), (2812, 10218), (2886, 9956), (2964, 9694), (3144, 9139), (3406, 8436), (3848, 7467), (4218, 6812), (4847, 5928), (4978, 5772), (5109, 5624)]