639829058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{368141}}^1$

素因数の和:368233

約数の個数: 16

約数和(自身を含む): 1060248960

約数和(自身を除く): 420419902

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 368141, 736282, 4049551, 8099102, 29083139, 58166278, 319914529, 639829058]

約数ペア:

[(1, 639829058), (2, 319914529), (11, 58166278), (22, 29083139), (79, 8099102), (158, 4049551), (869, 736282), (1738, 368141)]