251220228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2990717}}^1$

素因数の和:2990731

約数の個数: 24

約数和(自身を含む): 669920832

約数和(自身を除く): 418700604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2990717, 5981434, 8972151, 11962868, 17944302, 20935019, 35888604, 41870038, 62805057, 83740076, 125610114, 251220228]

約数ペア:

[(1, 251220228), (2, 125610114), (3, 83740076), (4, 62805057), (6, 41870038), (7, 35888604), (12, 20935019), (14, 17944302), (21, 11962868), (28, 8972151), (42, 5981434), (84, 2990717)]