631768

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 1194480

約数和(自身を除く): 562712

約数列:

[1, 2, 4, 8, 157, 314, 503, 628, 1006, 1256, 2012, 4024, 78971, 157942, 315884, 631768]

約数ペア:

[(1, 631768), (2, 315884), (4, 157942), (8, 78971), (157, 4024), (314, 2012), (503, 1256), (628, 1006)]