40961866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 68942016

約数和(自身を除く): 27980150

約数列:

[1, 2, 11, 22, 61, 122, 131, 233, 262, 466, 671, 1342, 1441, 2563, 2882, 5126, 7991, 14213, 15982, 28426, 30523, 61046, 87901, 156343, 175802, 312686, 335753, 671506, 1861903, 3723806, 20480933, 40961866]

約数ペア:

[(1, 40961866), (2, 20480933), (11, 3723806), (22, 1861903), (61, 671506), (122, 335753), (131, 312686), (233, 175802), (262, 156343), (466, 87901), (671, 61046), (1342, 30523), (1441, 28426), (2563, 15982), (2882, 14213), (5126, 7991)]