978171439

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{617}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 1200798720

約数和(自身を除く): 222627281

約数列:

[1, 7, 23, 43, 161, 229, 301, 617, 989, 1603, 4319, 5267, 6923, 9847, 14191, 26531, 36869, 68929, 99337, 141293, 185717, 226481, 610213, 989051, 1585367, 3249739, 4271491, 6075599, 22748173, 42529193, 139738777, 978171439]

約数ペア:

[(1, 978171439), (7, 139738777), (23, 42529193), (43, 22748173), (161, 6075599), (229, 4271491), (301, 3249739), (617, 1585367), (989, 989051), (1603, 610213), (4319, 226481), (5267, 185717), (6923, 141293), (9847, 99337), (14191, 68929), (26531, 36869)]