28080318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{668579}}^1$

素因数の和:668591

約数の個数: 16

約数和(自身を含む): 64183680

約数和(自身を除く): 36103362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 668579, 1337158, 2005737, 4011474, 4680053, 9360106, 14040159, 28080318]

約数ペア:

[(1, 28080318), (2, 14040159), (3, 9360106), (6, 4680053), (7, 4011474), (14, 2005737), (21, 1337158), (42, 668579)]