129181816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{393847}}^1$

素因数の和:393894

約数の個数: 16

約数和(自身を含む): 248124240

約数和(自身を除く): 118942424

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 393847, 787694, 1575388, 3150776, 16147727, 32295454, 64590908, 129181816]

約数ペア:

[(1, 129181816), (2, 64590908), (4, 32295454), (8, 16147727), (41, 3150776), (82, 1575388), (164, 787694), (328, 393847)]