639698262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{15230911}}^1$

素因数の和:15230923

約数の個数: 16

約数和(自身を含む): 1462167552

約数和(自身を除く): 822469290

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 15230911, 30461822, 45692733, 91385466, 106616377, 213232754, 319849131, 639698262]

約数ペア:

[(1, 639698262), (2, 319849131), (3, 213232754), (6, 106616377), (7, 91385466), (14, 45692733), (21, 30461822), (42, 15230911)]