261641412

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{169019}}^1$

素因数の和:169072

約数の個数: 36

約数和(自身を含む): 676756080

約数和(自身を除く): 415114668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 169019, 338038, 507057, 676076, 1014114, 1521171, 2028228, 3042342, 6084684, 7267817, 14535634, 21803451, 29071268, 43606902, 65410353, 87213804, 130820706, 261641412]

約数ペア:

[(1, 261641412), (2, 130820706), (3, 87213804), (4, 65410353), (6, 43606902), (9, 29071268), (12, 21803451), (18, 14535634), (36, 7267817), (43, 6084684), (86, 3042342), (129, 2028228), (172, 1521171), (258, 1014114), (387, 676076), (516, 507057), (774, 338038), (1548, 169019)]