8161205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 11321856

約数和(自身を除く): 3160651

約数列:

[1, 5, 13, 23, 53, 65, 103, 115, 265, 299, 515, 689, 1219, 1339, 1495, 2369, 3445, 5459, 6095, 6695, 11845, 15847, 27295, 30797, 70967, 79235, 125557, 153985, 354835, 627785, 1632241, 8161205]

約数ペア:

[(1, 8161205), (5, 1632241), (13, 627785), (23, 354835), (53, 153985), (65, 125557), (103, 79235), (115, 70967), (265, 30797), (299, 27295), (515, 15847), (689, 11845), (1219, 6695), (1339, 6095), (1495, 5459), (2369, 3445)]