1389436204

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{28949}}^1$

素因数の和:29050

約数の個数: 36

約数和(自身を含む): 2670116400

約数和(自身を除く): 1280680196

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 169, 284, 338, 676, 923, 1846, 3692, 11999, 23998, 28949, 47996, 57898, 115796, 376337, 752674, 1505348, 2055379, 4110758, 4892381, 8221516, 9784762, 19569524, 26719927, 53439854, 106879708, 347359051, 694718102, 1389436204]

約数ペア:

[(1, 1389436204), (2, 694718102), (4, 347359051), (13, 106879708), (26, 53439854), (52, 26719927), (71, 19569524), (142, 9784762), (169, 8221516), (284, 4892381), (338, 4110758), (676, 2055379), (923, 1505348), (1846, 752674), (3692, 376337), (11999, 115796), (23998, 57898), (28949, 47996)]