639145734

素因数分解:

$2^1\times 3^1\times {\mathrm{8243}}^1\times {\mathrm{12923}}^1$

素因数の和:21171

約数の個数: 16

約数和(自身を含む): 1278545472

約数和(自身を除く): 639399738

約数列:

[1, 2, 3, 6, 8243, 12923, 16486, 24729, 25846, 38769, 49458, 77538, 106524289, 213048578, 319572867, 639145734]

約数ペア:

[(1, 639145734), (2, 319572867), (3, 213048578), (6, 106524289), (8243, 77538), (12923, 49458), (16486, 38769), (24729, 25846)]