400112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1471}}^1$

素因数の和:1496

約数の個数: 20

約数和(自身を含む): 821376

約数和(自身を除く): 421264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1471, 2942, 5884, 11768, 23536, 25007, 50014, 100028, 200056, 400112]

約数ペア:

[(1, 400112), (2, 200056), (4, 100028), (8, 50014), (16, 25007), (17, 23536), (34, 11768), (68, 5884), (136, 2942), (272, 1471)]