1390806431

素因数分解:

$7^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 1736046720

約数和(自身を除く): 345240289

約数列:

[1, 7, 17, 37, 119, 259, 289, 629, 1093, 2023, 4403, 4913, 7651, 10693, 18581, 34391, 40441, 74851, 130067, 181781, 283087, 315877, 687497, 1272467, 2211139, 4812479, 5369909, 11687449, 37589363, 81812143, 198686633, 1390806431]

約数ペア:

[(1, 1390806431), (7, 198686633), (17, 81812143), (37, 37589363), (119, 11687449), (259, 5369909), (289, 4812479), (629, 2211139), (1093, 1272467), (2023, 687497), (4403, 315877), (4913, 283087), (7651, 181781), (10693, 130067), (18581, 74851), (34391, 40441)]