201457136

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{206411}}^1$

素因数の和:206480

約数の個数: 20

約数和(自身を含む): 396723864

約数和(自身を除く): 195266728

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206411, 412822, 825644, 1651288, 3302576, 12591071, 25182142, 50364284, 100728568, 201457136]

約数ペア:

[(1, 201457136), (2, 100728568), (4, 50364284), (8, 25182142), (16, 12591071), (61, 3302576), (122, 1651288), (244, 825644), (488, 412822), (976, 206411)]