123427208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{1373}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 245588760

約数和(自身を除く): 122161552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 661, 1322, 1373, 2644, 2746, 5288, 5492, 10984, 11237, 22474, 23341, 44948, 46682, 89896, 93364, 186728, 907553, 1815106, 3630212, 7260424, 15428401, 30856802, 61713604, 123427208]

約数ペア:

[(1, 123427208), (2, 61713604), (4, 30856802), (8, 15428401), (17, 7260424), (34, 3630212), (68, 1815106), (136, 907553), (661, 186728), (1322, 93364), (1373, 89896), (2644, 46682), (2746, 44948), (5288, 23341), (5492, 22474), (10984, 11237)]