66447745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3947}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 100816128

約数和(自身を除く): 34368383

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 3947, 16835, 19735, 27629, 51311, 138145, 146039, 256555, 359177, 730195, 1022273, 1795885, 1898507, 5111365, 9492535, 13289549, 66447745]

約数ペア:

[(1, 66447745), (5, 13289549), (7, 9492535), (13, 5111365), (35, 1898507), (37, 1795885), (65, 1022273), (91, 730195), (185, 359177), (259, 256555), (455, 146039), (481, 138145), (1295, 51311), (2405, 27629), (3367, 19735), (3947, 16835)]