128717672

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{434857}}^1$

素因数の和:434900

約数の個数: 16

約数和(自身を含む): 247869060

約数和(自身を除く): 119151388

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 434857, 869714, 1739428, 3478856, 16089709, 32179418, 64358836, 128717672]

約数ペア:

[(1, 128717672), (2, 64358836), (4, 32179418), (8, 16089709), (37, 3478856), (74, 1739428), (148, 869714), (296, 434857)]