27988610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215297}}^1$

素因数の和:215317

約数の個数: 16

約数和(自身を含む): 54255096

約数和(自身を除く): 26266486

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 215297, 430594, 1076485, 2152970, 2798861, 5597722, 13994305, 27988610]

約数ペア:

[(1, 27988610), (2, 13994305), (5, 5597722), (10, 2798861), (13, 2152970), (26, 1076485), (65, 430594), (130, 215297)]