638374103661

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{311}}^1\times {\mathrm{71399}}^1$

素因数の和:71794

約数の個数: 48

約数和(自身を含む): 1002990643200

約数和(自身を除く): 364616539539

約数列:

[1, 3, 7, 21, 37, 111, 259, 311, 777, 933, 1369, 2177, 4107, 6531, 9583, 11507, 28749, 34521, 71399, 80549, 214197, 241647, 425759, 499793, 1277277, 1499379, 2641763, 2980313, 7925289, 8940939, 18492341, 22205089, 55477023, 66615267, 97745231, 155435623, 293235693, 466306869, 684216617, 821588293, 2052649851, 2464764879, 5751118051, 17253354153, 30398766841, 91196300523, 212791367887, 638374103661]

約数ペア:

[(1, 638374103661), (3, 212791367887), (7, 91196300523), (21, 30398766841), (37, 17253354153), (111, 5751118051), (259, 2464764879), (311, 2052649851), (777, 821588293), (933, 684216617), (1369, 466306869), (2177, 293235693), (4107, 155435623), (6531, 97745231), (9583, 66615267), (11507, 55477023), (28749, 22205089), (34521, 18492341), (71399, 8940939), (80549, 7925289), (214197, 2980313), (241647, 2641763), (425759, 1499379), (499793, 1277277)]