66722467

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 82835136

約数和(自身を除く): 16112669

約数列:

[1, 7, 17, 49, 119, 173, 463, 833, 1211, 2941, 3241, 7871, 8477, 20587, 22687, 55097, 80099, 144109, 385679, 560693, 1361683, 3924851, 9531781, 66722467]

約数ペア:

[(1, 66722467), (7, 9531781), (17, 3924851), (49, 1361683), (119, 560693), (173, 385679), (463, 144109), (833, 80099), (1211, 55097), (2941, 22687), (3241, 20587), (7871, 8477)]