40378986

素因数分解:

$2^1\times 3^4\times {\mathrm{249253}}^1$

素因数の和:249267

約数の個数: 20

約数和(自身を含む): 90479202

約数和(自身を除く): 50100216

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 249253, 498506, 747759, 1495518, 2243277, 4486554, 6729831, 13459662, 20189493, 40378986]

約数ペア:

[(1, 40378986), (2, 20189493), (3, 13459662), (6, 6729831), (9, 4486554), (18, 2243277), (27, 1495518), (54, 747759), (81, 498506), (162, 249253)]