289989062

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 481057920

約数和(自身を除く): 191068858

約数列:

[1, 2, 11, 22, 163, 193, 326, 386, 419, 838, 1793, 2123, 3586, 4246, 4609, 9218, 31459, 62918, 68297, 80867, 136594, 161734, 346049, 692098, 751267, 889537, 1502534, 1779074, 13181321, 26362642, 144994531, 289989062]

約数ペア:

[(1, 289989062), (2, 144994531), (11, 26362642), (22, 13181321), (163, 1779074), (193, 1502534), (326, 889537), (386, 751267), (419, 692098), (838, 346049), (1793, 161734), (2123, 136594), (3586, 80867), (4246, 68297), (4609, 62918), (9218, 31459)]