747258239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25423}}^1$

素因数の和:25479

約数の個数: 32

約数和(自身を含む): 1025095680

約数和(自身を除く): 277837441

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 1547, 1729, 2261, 4199, 25423, 29393, 177961, 330499, 432191, 483037, 2313493, 3025337, 3381259, 5618483, 6279481, 8211629, 39329381, 43956367, 57481403, 106751177, 747258239]

約数ペア:

[(1, 747258239), (7, 106751177), (13, 57481403), (17, 43956367), (19, 39329381), (91, 8211629), (119, 6279481), (133, 5618483), (221, 3381259), (247, 3025337), (323, 2313493), (1547, 483037), (1729, 432191), (2261, 330499), (4199, 177961), (25423, 29393)]