1640372968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{12161}}^1$

素因数の和:13477

約数の個数: 32

約数和(自身を含む): 3315117960

約数和(自身を除く): 1674744992

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1297, 2594, 5188, 10376, 12161, 16861, 24322, 33722, 48644, 67444, 97288, 134888, 158093, 316186, 632372, 1264744, 15772817, 31545634, 63091268, 126182536, 205046621, 410093242, 820186484, 1640372968]

約数ペア:

[(1, 1640372968), (2, 820186484), (4, 410093242), (8, 205046621), (13, 126182536), (26, 63091268), (52, 31545634), (104, 15772817), (1297, 1264744), (2594, 632372), (5188, 316186), (10376, 158093), (12161, 134888), (16861, 97288), (24322, 67444), (33722, 48644)]