128119988

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{1279}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 227942400

約数和(自身を除く): 99822412

約数列:

[1, 2, 4, 79, 158, 316, 317, 634, 1268, 1279, 2558, 5116, 25043, 50086, 100172, 101041, 202082, 404164, 405443, 810886, 1621772, 32029997, 64059994, 128119988]

約数ペア:

[(1, 128119988), (2, 64059994), (4, 32029997), (79, 1621772), (158, 810886), (316, 405443), (317, 404164), (634, 202082), (1268, 101041), (1279, 100172), (2558, 50086), (5116, 25043)]