138628510

素因数分解:

$2^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{20297}}^1$

素因数の和:20987

約数の個数: 16

約数和(自身を含む): 249908976

約数和(自身を除く): 111280466

約数列:

[1, 2, 5, 10, 683, 1366, 3415, 6830, 20297, 40594, 101485, 202970, 13862851, 27725702, 69314255, 138628510]

約数ペア:

[(1, 138628510), (2, 69314255), (5, 27725702), (10, 13862851), (683, 202970), (1366, 101485), (3415, 40594), (6830, 20297)]