129123928

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{1777}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 250911360

約数和(自身を除く): 121787432

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 293, 586, 1172, 1777, 2344, 3554, 7108, 9083, 14216, 18166, 36332, 55087, 72664, 110174, 220348, 440696, 520661, 1041322, 2082644, 4165288, 16140491, 32280982, 64561964, 129123928]

約数ペア:

[(1, 129123928), (2, 64561964), (4, 32280982), (8, 16140491), (31, 4165288), (62, 2082644), (124, 1041322), (248, 520661), (293, 440696), (586, 220348), (1172, 110174), (1777, 72664), (2344, 55087), (3554, 36332), (7108, 18166), (9083, 14216)]