2017920385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{425273}}^1$

素因数の和:425364

約数の個数: 16

約数和(自身を含む): 2643503184

約数和(自身を除く): 625582799

約数列:

[1, 5, 13, 65, 73, 365, 949, 4745, 425273, 2126365, 5528549, 27642745, 31044929, 155224645, 403584077, 2017920385]

約数ペア:

[(1, 2017920385), (5, 403584077), (13, 155224645), (65, 31044929), (73, 27642745), (365, 5528549), (949, 2126365), (4745, 425273)]