490020503

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{37019}}^1$

素因数の和:37118

約数の個数: 16

約数和(自身を含む): 587581440

約数和(自身を除く): 97560937

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 37019, 259133, 1147589, 2258159, 8033123, 15807113, 70002929, 490020503]

約数ペア:

[(1, 490020503), (7, 70002929), (31, 15807113), (61, 8033123), (217, 2258159), (427, 1147589), (1891, 259133), (13237, 37019)]