266777278

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{8069}}^1$

素因数の和:8403

約数の個数: 16

約数和(自身を含む): 408277440

約数和(自身を除く): 141500162

約数列:

[1, 2, 61, 122, 271, 542, 8069, 16138, 16531, 33062, 492209, 984418, 2186699, 4373398, 133388639, 266777278]

約数ペア:

[(1, 266777278), (2, 133388639), (61, 4373398), (122, 2186699), (271, 984418), (542, 492209), (8069, 33062), (16138, 16531)]