202279870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1555999}}^1$

素因数の和:1556019

約数の個数: 16

約数和(自身を含む): 392112000

約数和(自身を除く): 189832130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1555999, 3111998, 7779995, 15559990, 20227987, 40455974, 101139935, 202279870]

約数ペア:

[(1, 202279870), (2, 101139935), (5, 40455974), (10, 20227987), (13, 15559990), (26, 7779995), (65, 3111998), (130, 1555999)]