818375090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6295193}}^1$

素因数の和:6295213

約数の個数: 16

約数和(自身を含む): 1586388888

約数和(自身を除く): 768013798

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6295193, 12590386, 31475965, 62951930, 81837509, 163675018, 409187545, 818375090]

約数ペア:

[(1, 818375090), (2, 409187545), (5, 163675018), (10, 81837509), (13, 62951930), (26, 31475965), (65, 12590386), (130, 6295193)]