2639651

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 3225600

約数和(自身を除く): 585949

約数列:

[1, 7, 19, 89, 133, 223, 623, 1561, 1691, 4237, 11837, 19847, 29659, 138929, 377093, 2639651]

約数ペア:

[(1, 2639651), (7, 377093), (19, 138929), (89, 29659), (133, 19847), (223, 11837), (623, 4237), (1561, 1691)]