77881505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70481}}^1$

素因数の和:70516

約数の個数: 16

約数和(自身を含む): 106568784

約数和(自身を除く): 28687279

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 70481, 352405, 916253, 1198177, 4581265, 5990885, 15576301, 77881505]

約数ペア:

[(1, 77881505), (5, 15576301), (13, 5990885), (17, 4581265), (65, 1198177), (85, 916253), (221, 352405), (1105, 70481)]