68257475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 101389344

約数和(自身を除く): 33131869

約数列:

[1, 5, 11, 13, 25, 55, 61, 65, 143, 275, 305, 313, 325, 671, 715, 793, 1525, 1565, 3355, 3443, 3575, 3965, 4069, 7825, 8723, 16775, 17215, 19093, 19825, 20345, 43615, 44759, 86075, 95465, 101725, 210023, 218075, 223795, 248209, 477325, 1050115, 1118975, 1241045, 2730299, 5250575, 6205225, 13651495, 68257475]

約数ペア:

[(1, 68257475), (5, 13651495), (11, 6205225), (13, 5250575), (25, 2730299), (55, 1241045), (61, 1118975), (65, 1050115), (143, 477325), (275, 248209), (305, 223795), (313, 218075), (325, 210023), (671, 101725), (715, 95465), (793, 86075), (1525, 44759), (1565, 43615), (3355, 20345), (3443, 19825), (3575, 19093), (3965, 17215), (4069, 16775), (7825, 8723)]