71295775

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{3391}}^1$

素因数の和:3459

約数の個数: 18

約数和(自身を含む): 91587392

約数和(自身を除く): 20291617

約数列:

[1, 5, 25, 29, 145, 725, 841, 3391, 4205, 16955, 21025, 84775, 98339, 491695, 2458475, 2851831, 14259155, 71295775]

約数ペア:

[(1, 71295775), (5, 14259155), (25, 2851831), (29, 2458475), (145, 491695), (725, 98339), (841, 84775), (3391, 21025), (4205, 16955)]