15381328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 31826088

約数和(自身を除く): 16444760

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 193, 272, 293, 386, 586, 772, 1172, 1544, 2344, 3088, 3281, 4688, 4981, 6562, 9962, 13124, 19924, 26248, 39848, 52496, 56549, 79696, 113098, 226196, 452392, 904784, 961333, 1922666, 3845332, 7690664, 15381328]

約数ペア:

[(1, 15381328), (2, 7690664), (4, 3845332), (8, 1922666), (16, 961333), (17, 904784), (34, 452392), (68, 226196), (136, 113098), (193, 79696), (272, 56549), (293, 52496), (386, 39848), (586, 26248), (772, 19924), (1172, 13124), (1544, 9962), (2344, 6562), (3088, 4981), (3281, 4688)]