811330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:178

約数の個数: 24

約数和(自身を含む): 1592892

約数和(自身を除く): 781562

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 6241, 10270, 12482, 31205, 62410, 81133, 162266, 405665, 811330]

約数ペア:

[(1, 811330), (2, 405665), (5, 162266), (10, 81133), (13, 62410), (26, 31205), (65, 12482), (79, 10270), (130, 6241), (158, 5135), (395, 2054), (790, 1027)]