279543238

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 502005600

約数和(自身を除く): 222462362

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 79, 158, 169, 247, 338, 361, 377, 494, 551, 722, 754, 1027, 1102, 1501, 2054, 2291, 3002, 3211, 4582, 4693, 4901, 6422, 7163, 9386, 9802, 10469, 13351, 14326, 19513, 20938, 26702, 28519, 29783, 39026, 43529, 57038, 59566, 61009, 87058, 93119, 122018, 136097, 186238, 253669, 272194, 370747, 387179, 507338, 565877, 741494, 774358, 827051, 1131754, 1654102, 1769261, 3538522, 4819711, 7356401, 9639422, 10751663, 14712802, 21503326, 139771619, 279543238]

約数ペア:

[(1, 279543238), (2, 139771619), (13, 21503326), (19, 14712802), (26, 10751663), (29, 9639422), (38, 7356401), (58, 4819711), (79, 3538522), (158, 1769261), (169, 1654102), (247, 1131754), (338, 827051), (361, 774358), (377, 741494), (494, 565877), (551, 507338), (722, 387179), (754, 370747), (1027, 272194), (1102, 253669), (1501, 186238), (2054, 136097), (2291, 122018), (3002, 93119), (3211, 87058), (4582, 61009), (4693, 59566), (4901, 57038), (6422, 43529), (7163, 39026), (9386, 29783), (9802, 28519), (10469, 26702), (13351, 20938), (14326, 19513)]