31131844

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 55543320

約数和(自身を除く): 24411476

約数列:

[1, 2, 4, 89, 157, 178, 314, 356, 557, 628, 1114, 2228, 13973, 27946, 49573, 55892, 87449, 99146, 174898, 198292, 349796, 7782961, 15565922, 31131844]

約数ペア:

[(1, 31131844), (2, 15565922), (4, 7782961), (89, 349796), (157, 198292), (178, 174898), (314, 99146), (356, 87449), (557, 55892), (628, 49573), (1114, 27946), (2228, 13973)]