81490832

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{13093}}^1$

素因数の和:13490

約数の個数: 20

約数和(自身を含む): 158306460

約数和(自身を除く): 76815628

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 13093, 26186, 52372, 104744, 209488, 5093177, 10186354, 20372708, 40745416, 81490832]

約数ペア:

[(1, 81490832), (2, 40745416), (4, 20372708), (8, 10186354), (16, 5093177), (389, 209488), (778, 104744), (1556, 52372), (3112, 26186), (6224, 13093)]