287744990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2213423}}^1$

素因数の和:2213443

約数の個数: 16

約数和(自身を含む): 557782848

約数和(自身を除く): 270037858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2213423, 4426846, 11067115, 22134230, 28774499, 57548998, 143872495, 287744990]

約数ペア:

[(1, 287744990), (2, 143872495), (5, 57548998), (10, 28774499), (13, 22134230), (26, 11067115), (65, 4426846), (130, 2213423)]