28957306

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20479}}^1$

素因数の和:20589

約数の個数: 16

約数和(自身を含む): 50135040

約数和(自身を除く): 21177734

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 20479, 40958, 143353, 286706, 2068379, 4136758, 14478653, 28957306]

約数ペア:

[(1, 28957306), (2, 14478653), (7, 4136758), (14, 2068379), (101, 286706), (202, 143353), (707, 40958), (1414, 20479)]