12872990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99023}}^1$

素因数の和:99043

約数の個数: 16

約数和(自身を含む): 24954048

約数和(自身を除く): 12081058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 99023, 198046, 495115, 990230, 1287299, 2574598, 6436495, 12872990]

約数ペア:

[(1, 12872990), (2, 6436495), (5, 2574598), (10, 1287299), (13, 990230), (26, 495115), (65, 198046), (130, 99023)]