138575450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{213193}}^1$

素因数の和:213218

約数の個数: 24

約数和(自身を含む): 277578588

約数和(自身を除く): 139003138

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 213193, 426386, 1065965, 2131930, 2771509, 5329825, 5543018, 10659650, 13857545, 27715090, 69287725, 138575450]

約数ペア:

[(1, 138575450), (2, 69287725), (5, 27715090), (10, 13857545), (13, 10659650), (25, 5543018), (26, 5329825), (50, 2771509), (65, 2131930), (130, 1065965), (325, 426386), (650, 213193)]