16121515

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 19742976

約数和(自身を除く): 3621461

約数列:

[1, 5, 131, 151, 163, 655, 755, 815, 19781, 21353, 24613, 98905, 106765, 123065, 3224303, 16121515]

約数ペア:

[(1, 16121515), (5, 3224303), (131, 123065), (151, 106765), (163, 98905), (655, 24613), (755, 21353), (815, 19781)]