138180848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{664331}}^1$

素因数の和:664352

約数の個数: 20

約数和(自身を含む): 288320088

約数和(自身を除く): 150139240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 664331, 1328662, 2657324, 5314648, 8636303, 10629296, 17272606, 34545212, 69090424, 138180848]

約数ペア:

[(1, 138180848), (2, 69090424), (4, 34545212), (8, 17272606), (13, 10629296), (16, 8636303), (26, 5314648), (52, 2657324), (104, 1328662), (208, 664331)]