287086986

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{114743}}^1$

素因数の和:114890

約数の個数: 24

約数和(自身を含む): 626502240

約数和(自身を除く): 339415254

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 114743, 229486, 344229, 688458, 1032687, 2065374, 15949277, 31898554, 47847831, 95695662, 143543493, 287086986]

約数ペア:

[(1, 287086986), (2, 143543493), (3, 95695662), (6, 47847831), (9, 31898554), (18, 15949277), (139, 2065374), (278, 1032687), (417, 688458), (834, 344229), (1251, 229486), (2502, 114743)]