639423306

素因数分解:

$2^1\times 3^2\times {\mathrm{191}}^1\times {\mathrm{185987}}^1$

素因数の和:186186

約数の個数: 24

約数和(自身を含む): 1392678144

約数和(自身を除く): 753254838

約数列:

[1, 2, 3, 6, 9, 18, 191, 382, 573, 1146, 1719, 3438, 185987, 371974, 557961, 1115922, 1673883, 3347766, 35523517, 71047034, 106570551, 213141102, 319711653, 639423306]

約数ペア:

[(1, 639423306), (2, 319711653), (3, 213141102), (6, 106570551), (9, 71047034), (18, 35523517), (191, 3347766), (382, 1673883), (573, 1115922), (1146, 557961), (1719, 371974), (3438, 185987)]