290213287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 374750208

約数和(自身を除く): 84536921

約数列:

[1, 7, 13, 23, 91, 161, 299, 313, 443, 2093, 2191, 3101, 4069, 5759, 7199, 10189, 28483, 40313, 50393, 71323, 93587, 132457, 138659, 655109, 927199, 970613, 1802567, 3189157, 12617969, 22324099, 41459041, 290213287]

約数ペア:

[(1, 290213287), (7, 41459041), (13, 22324099), (23, 12617969), (91, 3189157), (161, 1802567), (299, 970613), (313, 927199), (443, 655109), (2093, 138659), (2191, 132457), (3101, 93587), (4069, 71323), (5759, 50393), (7199, 40313), (10189, 28483)]