639647510

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{621017}}^1$

素因数の和:621127

約数の個数: 16

約数和(自身を含む): 1162545696

約数和(自身を除く): 522898186

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 621017, 1242034, 3105085, 6210170, 63964751, 127929502, 319823755, 639647510]

約数ペア:

[(1, 639647510), (2, 319823755), (5, 127929502), (10, 63964751), (103, 6210170), (206, 3105085), (515, 1242034), (1030, 621017)]