31499390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{719}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 61326720

約数和(自身を除く): 29827330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 674, 719, 1438, 1685, 3370, 3595, 4381, 7190, 8762, 9347, 18694, 21905, 43810, 46735, 93470, 242303, 484606, 1211515, 2423030, 3149939, 6299878, 15749695, 31499390]

約数ペア:

[(1, 31499390), (2, 15749695), (5, 6299878), (10, 3149939), (13, 2423030), (26, 1211515), (65, 484606), (130, 242303), (337, 93470), (674, 46735), (719, 43810), (1438, 21905), (1685, 18694), (3370, 9347), (3595, 8762), (4381, 7190)]