2021809615

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{2221}}^1$

素因数の和:3103

約数の個数: 32

約数和(自身を含む): 2866913280

約数和(自身を除く): 845103665

約数列:

[1, 5, 7, 31, 35, 155, 217, 839, 1085, 2221, 4195, 5873, 11105, 15547, 26009, 29365, 68851, 77735, 130045, 182063, 344255, 481957, 910315, 1863419, 2409785, 9317095, 13043933, 57765989, 65219665, 288829945, 404361923, 2021809615]

約数ペア:

[(1, 2021809615), (5, 404361923), (7, 288829945), (31, 65219665), (35, 57765989), (155, 13043933), (217, 9317095), (839, 2409785), (1085, 1863419), (2221, 910315), (4195, 481957), (5873, 344255), (11105, 182063), (15547, 130045), (26009, 77735), (29365, 68851)]