72129604

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{44089}}^1$

素因数の和:44502

約数の個数: 12

約数和(自身を含む): 126538300

約数和(自身を除く): 54408696

約数列:

[1, 2, 4, 409, 818, 1636, 44089, 88178, 176356, 18032401, 36064802, 72129604]

約数ペア:

[(1, 72129604), (2, 36064802), (4, 18032401), (409, 176356), (818, 88178), (1636, 44089)]