214877905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1\times {\mathrm{3581}}^1$

素因数の和:4688

約数の個数: 16

約数和(自身を含む): 281631168

約数和(自身を除く): 66753263

約数列:

[1, 5, 11, 55, 1091, 3581, 5455, 12001, 17905, 39391, 60005, 196955, 3906871, 19534355, 42975581, 214877905]

約数ペア:

[(1, 214877905), (5, 42975581), (11, 19534355), (55, 3906871), (1091, 196955), (3581, 60005), (5455, 39391), (12001, 17905)]