639183974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20887}}^1$

素因数の和:21020

約数の個数: 32

約数和(自身を含む): 1136975616

約数和(自身を除く): 497791642

約数列:

[1, 2, 11, 13, 22, 26, 107, 143, 214, 286, 1177, 1391, 2354, 2782, 15301, 20887, 30602, 41774, 229757, 271531, 459514, 543062, 2234909, 2986841, 4469818, 5973682, 24583999, 29053817, 49167998, 58107634, 319591987, 639183974]

約数ペア:

[(1, 639183974), (2, 319591987), (11, 58107634), (13, 49167998), (22, 29053817), (26, 24583999), (107, 5973682), (143, 4469818), (214, 2986841), (286, 2234909), (1177, 543062), (1391, 459514), (2354, 271531), (2782, 229757), (15301, 41774), (20887, 30602)]