64409125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 88583040

約数和(自身を除く): 24173915

約数列:

[1, 5, 11, 25, 55, 125, 139, 275, 337, 695, 1375, 1529, 1685, 3475, 3707, 7645, 8425, 17375, 18535, 38225, 42125, 46843, 92675, 191125, 234215, 463375, 515273, 1171075, 2576365, 5855375, 12881825, 64409125]

約数ペア:

[(1, 64409125), (5, 12881825), (11, 5855375), (25, 2576365), (55, 1171075), (125, 515273), (139, 463375), (275, 234215), (337, 191125), (695, 92675), (1375, 46843), (1529, 42125), (1685, 38225), (3475, 18535), (3707, 17375), (7645, 8425)]