621761868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3581}}^1$

素因数の和:3664

約数の個数: 144

約数和(自身を含む): 1971418176

約数和(自身を除く): 1349656308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 53, 63, 78, 84, 91, 106, 117, 126, 156, 159, 182, 212, 234, 252, 273, 318, 364, 371, 468, 477, 546, 636, 689, 742, 819, 954, 1092, 1113, 1378, 1484, 1638, 1908, 2067, 2226, 2756, 3276, 3339, 3581, 4134, 4452, 4823, 6201, 6678, 7162, 8268, 9646, 10743, 12402, 13356, 14324, 14469, 19292, 21486, 24804, 25067, 28938, 32229, 42972, 43407, 46553, 50134, 57876, 64458, 75201, 86814, 93106, 100268, 128916, 139659, 150402, 173628, 186212, 189793, 225603, 279318, 300804, 325871, 379586, 418977, 451206, 558636, 569379, 651742, 759172, 837954, 902412, 977613, 1138758, 1303484, 1328551, 1675908, 1708137, 1955226, 2277516, 2467309, 2657102, 2932839, 3416274, 3910452, 3985653, 4934618, 5314204, 5865678, 6832548, 7401927, 7971306, 9869236, 11731356, 11956959, 14803854, 15942612, 17271163, 22205781, 23913918, 29607708, 34542326, 44411562, 47827836, 51813489, 69084652, 88823124, 103626978, 155440467, 207253956, 310880934, 621761868]

約数ペア:

[(1, 621761868), (2, 310880934), (3, 207253956), (4, 155440467), (6, 103626978), (7, 88823124), (9, 69084652), (12, 51813489), (13, 47827836), (14, 44411562), (18, 34542326), (21, 29607708), (26, 23913918), (28, 22205781), (36, 17271163), (39, 15942612), (42, 14803854), (52, 11956959), (53, 11731356), (63, 9869236), (78, 7971306), (84, 7401927), (91, 6832548), (106, 5865678), (117, 5314204), (126, 4934618), (156, 3985653), (159, 3910452), (182, 3416274), (212, 2932839), (234, 2657102), (252, 2467309), (273, 2277516), (318, 1955226), (364, 1708137), (371, 1675908), (468, 1328551), (477, 1303484), (546, 1138758), (636, 977613), (689, 902412), (742, 837954), (819, 759172), (954, 651742), (1092, 569379), (1113, 558636), (1378, 451206), (1484, 418977), (1638, 379586), (1908, 325871), (2067, 300804), (2226, 279318), (2756, 225603), (3276, 189793), (3339, 186212), (3581, 173628), (4134, 150402), (4452, 139659), (4823, 128916), (6201, 100268), (6678, 93106), (7162, 86814), (8268, 75201), (9646, 64458), (10743, 57876), (12402, 50134), (13356, 46553), (14324, 43407), (14469, 42972), (19292, 32229), (21486, 28938), (24804, 25067)]