218626428

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{131071}}^1$

素因数の和:131217

約数の個数: 24

約数和(自身を含む): 513802240

約数和(自身を除く): 295175812

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 131071, 262142, 393213, 524284, 786426, 1572852, 18218869, 36437738, 54656607, 72875476, 109313214, 218626428]

約数ペア:

[(1, 218626428), (2, 109313214), (3, 72875476), (4, 54656607), (6, 36437738), (12, 18218869), (139, 1572852), (278, 786426), (417, 524284), (556, 393213), (834, 262142), (1668, 131071)]