255173126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 421285536

約数和(自身を除く): 166112410

約数列:

[1, 2, 13, 26, 61, 122, 251, 502, 641, 793, 1282, 1586, 3263, 6526, 8333, 15311, 16666, 30622, 39101, 78202, 160891, 199043, 321782, 398086, 508313, 1016626, 2091583, 4183166, 9814351, 19628702, 127586563, 255173126]

約数ペア:

[(1, 255173126), (2, 127586563), (13, 19628702), (26, 9814351), (61, 4183166), (122, 2091583), (251, 1016626), (502, 508313), (641, 398086), (793, 321782), (1282, 199043), (1586, 160891), (3263, 78202), (6526, 39101), (8333, 30622), (15311, 16666)]