401515115

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{12781}}^1$

素因数の和:12950

約数の個数: 16

約数和(自身を含む): 494510016

約数和(自身を除く): 92994901

約数列:

[1, 5, 61, 103, 305, 515, 6283, 12781, 31415, 63905, 779641, 1316443, 3898205, 6582215, 80303023, 401515115]

約数ペア:

[(1, 401515115), (5, 80303023), (61, 6582215), (103, 3898205), (305, 1316443), (515, 779641), (6283, 63905), (12781, 31415)]