129127876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{7109}}^1$

素因数の和:7371

約数の個数: 24

約数和(自身を含む): 238896000

約数和(自身を除く): 109768124

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 4541, 7109, 9082, 14218, 18164, 28436, 135071, 270142, 540284, 1699051, 3398102, 6796204, 32281969, 64563938, 129127876]

約数ペア:

[(1, 129127876), (2, 64563938), (4, 32281969), (19, 6796204), (38, 3398102), (76, 1699051), (239, 540284), (478, 270142), (956, 135071), (4541, 28436), (7109, 18164), (9082, 14218)]