131551368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421639}}^1$

素因数の和:421661

約数の個数: 32

約数和(自身を含む): 354177600

約数和(自身を除く): 222626232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 421639, 843278, 1264917, 1686556, 2529834, 3373112, 5059668, 5481307, 10119336, 10962614, 16443921, 21925228, 32887842, 43850456, 65775684, 131551368]

約数ペア:

[(1, 131551368), (2, 65775684), (3, 43850456), (4, 32887842), (6, 21925228), (8, 16443921), (12, 10962614), (13, 10119336), (24, 5481307), (26, 5059668), (39, 3373112), (52, 2529834), (78, 1686556), (104, 1264917), (156, 843278), (312, 421639)]