640810422

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{5085797}}^1$

素因数の和:5085812

約数の個数: 24

約数和(自身を含む): 1586768976

約数和(自身を除く): 945958554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 5085797, 10171594, 15257391, 30514782, 35600579, 45772173, 71201158, 91544346, 106801737, 213603474, 320405211, 640810422]

約数ペア:

[(1, 640810422), (2, 320405211), (3, 213603474), (6, 106801737), (7, 91544346), (9, 71201158), (14, 45772173), (18, 35600579), (21, 30514782), (42, 15257391), (63, 10171594), (126, 5085797)]