13808990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8171}}^1$

素因数の和:8204

約数の個数: 24

約数和(自身を含む): 26918568

約数和(自身を除く): 13109578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 8171, 16342, 40855, 81710, 106223, 212446, 531115, 1062230, 1380899, 2761798, 6904495, 13808990]

約数ペア:

[(1, 13808990), (2, 6904495), (5, 2761798), (10, 1380899), (13, 1062230), (26, 531115), (65, 212446), (130, 106223), (169, 81710), (338, 40855), (845, 16342), (1690, 8171)]