678236418

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{2687}}^1$

素因数の和:3111

約数の個数: 48

約数和(自身を含む): 1513774080

約数和(自身を除く): 835537662

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 379, 666, 758, 1137, 2274, 2687, 3411, 5374, 6822, 8061, 14023, 16122, 24183, 28046, 42069, 48366, 84138, 99419, 126207, 198838, 252414, 298257, 596514, 894771, 1018373, 1789542, 2036746, 3055119, 6110238, 9165357, 18330714, 37679801, 75359602, 113039403, 226078806, 339118209, 678236418]

約数ペア:

[(1, 678236418), (2, 339118209), (3, 226078806), (6, 113039403), (9, 75359602), (18, 37679801), (37, 18330714), (74, 9165357), (111, 6110238), (222, 3055119), (333, 2036746), (379, 1789542), (666, 1018373), (758, 894771), (1137, 596514), (2274, 298257), (2687, 252414), (3411, 198838), (5374, 126207), (6822, 99419), (8061, 84138), (14023, 48366), (16122, 42069), (24183, 28046)]