40778866

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{2129}}^1$

素因数の和:2349

約数の個数: 16

約数和(自身を含む): 62596440

約数和(自身を除く): 21817574

約数列:

[1, 2, 61, 122, 157, 314, 2129, 4258, 9577, 19154, 129869, 259738, 334253, 668506, 20389433, 40778866]

約数ペア:

[(1, 40778866), (2, 20389433), (61, 668506), (122, 334253), (157, 259738), (314, 129869), (2129, 19154), (4258, 9577)]