109212505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{1787}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 139034880

約数和(自身を除く): 29822375

約数列:

[1, 5, 17, 85, 719, 1787, 3595, 8935, 12223, 30379, 61115, 151895, 1284853, 6424265, 21842501, 109212505]

約数ペア:

[(1, 109212505), (5, 21842501), (17, 6424265), (85, 1284853), (719, 151895), (1787, 61115), (3595, 30379), (8935, 12223)]