128207965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{6311}}^1$

素因数の和:6572

約数の個数: 16

約数和(自身を含む): 163607040

約数和(自身を除く): 35399075

約数列:

[1, 5, 17, 85, 239, 1195, 4063, 6311, 20315, 31555, 107287, 536435, 1508329, 7541645, 25641593, 128207965]

約数ペア:

[(1, 128207965), (5, 25641593), (17, 7541645), (85, 1508329), (239, 536435), (1195, 107287), (4063, 31555), (6311, 20315)]