208681512

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{668851}}^1$

素因数の和:668873

約数の個数: 32

約数和(自身を含む): 561835680

約数和(自身を除く): 353154168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 668851, 1337702, 2006553, 2675404, 4013106, 5350808, 8026212, 8695063, 16052424, 17390126, 26085189, 34780252, 52170378, 69560504, 104340756, 208681512]

約数ペア:

[(1, 208681512), (2, 104340756), (3, 69560504), (4, 52170378), (6, 34780252), (8, 26085189), (12, 17390126), (13, 16052424), (24, 8695063), (26, 8026212), (39, 5350808), (52, 4013106), (78, 2675404), (104, 2006553), (156, 1337702), (312, 668851)]