31997810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2437}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 62666352

約数和(自身を除く): 30668542

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2437, 2626, 4874, 6565, 12185, 13130, 24370, 31681, 63362, 158405, 246137, 316810, 492274, 1230685, 2461370, 3199781, 6399562, 15998905, 31997810]

約数ペア:

[(1, 31997810), (2, 15998905), (5, 6399562), (10, 3199781), (13, 2461370), (26, 1230685), (65, 492274), (101, 316810), (130, 246137), (202, 158405), (505, 63362), (1010, 31681), (1313, 24370), (2437, 13130), (2626, 12185), (4874, 6565)]