71235725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23549}}^1$

素因数の和:23581

約数の個数: 18

約数和(自身を含む): 97096650

約数和(自身を除く): 25860925

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 23549, 117745, 259039, 588725, 1295195, 2849429, 6475975, 14247145, 71235725]

約数ペア:

[(1, 71235725), (5, 14247145), (11, 6475975), (25, 2849429), (55, 1295195), (121, 588725), (275, 259039), (605, 117745), (3025, 23549)]