128465674

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{15817}}^1$

素因数の和:15981

約数の個数: 16

約数和(自身を含む): 200445696

約数和(自身を除く): 71980022

約数列:

[1, 2, 31, 62, 131, 262, 4061, 8122, 15817, 31634, 490327, 980654, 2072027, 4144054, 64232837, 128465674]

約数ペア:

[(1, 128465674), (2, 64232837), (31, 4144054), (62, 2072027), (131, 980654), (262, 490327), (4061, 31634), (8122, 15817)]