80397436

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21589}}^1$

素因数の和:21626

約数の個数: 36

約数和(自身を含む): 172288200

約数和(自身を除く): 91890764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 21589, 43178, 86356, 151123, 302246, 410191, 604492, 820382, 1057861, 1640764, 2115722, 2871337, 4231444, 5742674, 11485348, 20099359, 40198718, 80397436]

約数ペア:

[(1, 80397436), (2, 40198718), (4, 20099359), (7, 11485348), (14, 5742674), (19, 4231444), (28, 2871337), (38, 2115722), (49, 1640764), (76, 1057861), (98, 820382), (133, 604492), (196, 410191), (266, 302246), (532, 151123), (931, 86356), (1862, 43178), (3724, 21589)]