7841990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 15331680

約数和(自身を除く): 7489690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 337, 358, 674, 895, 1685, 1790, 2327, 3370, 4381, 4654, 8762, 11635, 21905, 23270, 43810, 60323, 120646, 301615, 603230, 784199, 1568398, 3920995, 7841990]

約数ペア:

[(1, 7841990), (2, 3920995), (5, 1568398), (10, 784199), (13, 603230), (26, 301615), (65, 120646), (130, 60323), (179, 43810), (337, 23270), (358, 21905), (674, 11635), (895, 8762), (1685, 4654), (1790, 4381), (2327, 3370)]