636701990

素因数分解:

$2^1\times 5^1\times {\mathrm{7879}}^1\times {\mathrm{8081}}^1$

素因数の和:15967

約数の個数: 16

約数和(自身を含む): 1146350880

約数和(自身を除く): 509648890

約数列:

[1, 2, 5, 10, 7879, 8081, 15758, 16162, 39395, 40405, 78790, 80810, 63670199, 127340398, 318350995, 636701990]

約数ペア:

[(1, 636701990), (2, 318350995), (5, 127340398), (10, 63670199), (7879, 80810), (8081, 78790), (15758, 40405), (16162, 39395)]