71770075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{16987}}^1$

素因数の和:17023

約数の個数: 18

約数和(自身を含む): 96372924

約数和(自身を除く): 24602849

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 16987, 84935, 220831, 424675, 1104155, 2870803, 5520775, 14354015, 71770075]

約数ペア:

[(1, 71770075), (5, 14354015), (13, 5520775), (25, 2870803), (65, 1104155), (169, 424675), (325, 220831), (845, 84935), (4225, 16987)]