1212996895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{361549}}^1$

素因数の和:361626

約数の個数: 16

約数和(自身を含む): 1613959200

約数和(自身を除く): 400962305

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 361549, 1807745, 3977039, 19885195, 22054489, 110272445, 242599379, 1212996895]

約数ペア:

[(1, 1212996895), (5, 242599379), (11, 110272445), (55, 22054489), (61, 19885195), (305, 3977039), (671, 1807745), (3355, 361549)]