40289428

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 71547840

約数和(自身を除く): 31258412

約数列:

[1, 2, 4, 139, 233, 278, 311, 466, 556, 622, 932, 1244, 32387, 43229, 64774, 72463, 86458, 129548, 144926, 172916, 289852, 10072357, 20144714, 40289428]

約数ペア:

[(1, 40289428), (2, 20144714), (4, 10072357), (139, 289852), (233, 172916), (278, 144926), (311, 129548), (466, 86458), (556, 72463), (622, 64774), (932, 43229), (1244, 32387)]