381491135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{17881}}^1$

素因数の和:18154

約数の個数: 16

約数和(自身を含む): 486676512

約数和(自身を除く): 105185377

約数列:

[1, 5, 17, 85, 251, 1255, 4267, 17881, 21335, 89405, 303977, 1519885, 4488131, 22440655, 76298227, 381491135]

約数ペア:

[(1, 381491135), (5, 76298227), (17, 22440655), (85, 4488131), (251, 1519885), (1255, 303977), (4267, 89405), (17881, 21335)]