81435746

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{6983}}^1$

素因数の和:7023

約数の個数: 32

約数和(自身を含む): 150854400

約数和(自身を除く): 69418654

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 5831, 6983, 11662, 13966, 48881, 97762, 118711, 237422, 342167, 684334, 830977, 1661954, 2395169, 4790338, 5816839, 11633678, 40717873, 81435746]

約数ペア:

[(1, 81435746), (2, 40717873), (7, 11633678), (14, 5816839), (17, 4790338), (34, 2395169), (49, 1661954), (98, 830977), (119, 684334), (238, 342167), (343, 237422), (686, 118711), (833, 97762), (1666, 48881), (5831, 13966), (6983, 11662)]