81980332

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{14423}}^1$

素因数の和:14470

約数の個数: 36

約数和(自身を含む): 172655280

約数和(自身を除く): 90674948

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 14423, 28846, 57692, 100961, 201922, 403844, 418267, 706727, 836534, 1413454, 1673068, 2826908, 2927869, 5855738, 11711476, 20495083, 40990166, 81980332]

約数ペア:

[(1, 81980332), (2, 40990166), (4, 20495083), (7, 11711476), (14, 5855738), (28, 2927869), (29, 2826908), (49, 1673068), (58, 1413454), (98, 836534), (116, 706727), (196, 418267), (203, 403844), (406, 201922), (812, 100961), (1421, 57692), (2842, 28846), (5684, 14423)]