31681336

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 64322640

約数和(自身を除く): 32641304

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 193, 284, 289, 386, 568, 578, 772, 1156, 1207, 1544, 2312, 2414, 3281, 4828, 6562, 9656, 13124, 13703, 20519, 26248, 27406, 41038, 54812, 55777, 82076, 109624, 111554, 164152, 223108, 232951, 446216, 465902, 931804, 1863608, 3960167, 7920334, 15840668, 31681336]

約数ペア:

[(1, 31681336), (2, 15840668), (4, 7920334), (8, 3960167), (17, 1863608), (34, 931804), (68, 465902), (71, 446216), (136, 232951), (142, 223108), (193, 164152), (284, 111554), (289, 109624), (386, 82076), (568, 55777), (578, 54812), (772, 41038), (1156, 27406), (1207, 26248), (1544, 20519), (2312, 13703), (2414, 13124), (3281, 9656), (4828, 6562)]