68217725

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 86765280

約数和(自身を除く): 18547555

約数列:

[1, 5, 25, 67, 139, 293, 335, 695, 1465, 1675, 3475, 7325, 9313, 19631, 40727, 46565, 98155, 203635, 232825, 490775, 1018175, 2728709, 13643545, 68217725]

約数ペア:

[(1, 68217725), (5, 13643545), (25, 2728709), (67, 1018175), (139, 490775), (293, 232825), (335, 203635), (695, 98155), (1465, 46565), (1675, 40727), (3475, 19631), (7325, 9313)]