2011921247

素因数分解:

$7^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1\times {\mathrm{2903}}^1$

素因数の和:3638

約数の個数: 16

約数和(自身を含む): 2317066752

約数和(自身を除く): 305145505

約数列:

[1, 7, 181, 547, 1267, 2903, 3829, 20321, 99007, 525443, 693049, 1587941, 3678101, 11115587, 287417321, 2011921247]

約数ペア:

[(1, 2011921247), (7, 287417321), (181, 11115587), (547, 3678101), (1267, 1587941), (2903, 693049), (3829, 525443), (20321, 99007)]