638049348

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{770591}}^1$

素因数の和:770624

約数の個数: 36

約数和(自身を含む): 1682972928

約数和(自身を除く): 1044923580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 770591, 1541182, 2311773, 3082364, 4623546, 6935319, 9247092, 13870638, 17723593, 27741276, 35447186, 53170779, 70894372, 106341558, 159512337, 212683116, 319024674, 638049348]

約数ペア:

[(1, 638049348), (2, 319024674), (3, 212683116), (4, 159512337), (6, 106341558), (9, 70894372), (12, 53170779), (18, 35447186), (23, 27741276), (36, 17723593), (46, 13870638), (69, 9247092), (92, 6935319), (138, 4623546), (207, 3082364), (276, 2311773), (414, 1541182), (828, 770591)]