20180121031

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{354031}}^1$

素因数の和:354534

約数の個数: 16

約数和(自身を含む): 24470691840

約数和(自身を除く): 4290570809

約数列:

[1, 7, 17, 119, 479, 3353, 8143, 57001, 354031, 2478217, 6018527, 42129689, 169580849, 1187065943, 2882874433, 20180121031]

約数ペア:

[(1, 20180121031), (7, 2882874433), (17, 1187065943), (119, 169580849), (479, 42129689), (3353, 6018527), (8143, 2478217), (57001, 354031)]