15840668

素因数分解:

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

素因数の和:302

約数の個数: 36

約数和(自身を含む): 30017232

約数和(自身を除く): 14176564

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 193, 284, 289, 386, 578, 772, 1156, 1207, 2414, 3281, 4828, 6562, 13124, 13703, 20519, 27406, 41038, 54812, 55777, 82076, 111554, 223108, 232951, 465902, 931804, 3960167, 7920334, 15840668]

約数ペア:

[(1, 15840668), (2, 7920334), (4, 3960167), (17, 931804), (34, 465902), (68, 232951), (71, 223108), (142, 111554), (193, 82076), (284, 55777), (289, 54812), (386, 41038), (578, 27406), (772, 20519), (1156, 13703), (1207, 13124), (2414, 6562), (3281, 4828)]