78988158

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 174620160

約数和(自身を除く): 95632002

約数列:

[1, 2, 3, 6, 9, 18, 109, 127, 218, 254, 317, 327, 381, 634, 654, 762, 951, 981, 1143, 1902, 1962, 2286, 2853, 5706, 13843, 27686, 34553, 40259, 41529, 69106, 80518, 83058, 103659, 120777, 124587, 207318, 241554, 249174, 310977, 362331, 621954, 724662, 4388231, 8776462, 13164693, 26329386, 39494079, 78988158]

約数ペア:

[(1, 78988158), (2, 39494079), (3, 26329386), (6, 13164693), (9, 8776462), (18, 4388231), (109, 724662), (127, 621954), (218, 362331), (254, 310977), (317, 249174), (327, 241554), (381, 207318), (634, 124587), (654, 120777), (762, 103659), (951, 83058), (981, 80518), (1143, 69106), (1902, 41529), (1962, 40259), (2286, 34553), (2853, 27686), (5706, 13843)]