289318348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{63839}}^1$

素因数の和:63957

約数の個数: 24

約数和(自身を含む): 557706240

約数和(自身を除く): 268387892

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 63839, 127678, 255356, 702229, 1404458, 2808916, 6575417, 13150834, 26301668, 72329587, 144659174, 289318348]

約数ペア:

[(1, 289318348), (2, 144659174), (4, 72329587), (11, 26301668), (22, 13150834), (44, 6575417), (103, 2808916), (206, 1404458), (412, 702229), (1133, 255356), (2266, 127678), (4532, 63839)]