389988916

素因数分解:

$2^2\times {\mathrm{5237}}^1\times {\mathrm{18617}}^1$

素因数の和:23858

約数の個数: 12

約数和(自身を含む): 682647588

約数和(自身を除く): 292658672

約数列:

[1, 2, 4, 5237, 10474, 18617, 20948, 37234, 74468, 97497229, 194994458, 389988916]

約数ペア:

[(1, 389988916), (2, 194994458), (4, 97497229), (5237, 74468), (10474, 37234), (18617, 20948)]