25728344

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 51483600

約数和(自身を除く): 25755256

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 1361, 2363, 2722, 4726, 5444, 9452, 10888, 18904, 23137, 46274, 92548, 185096, 189179, 378358, 756716, 1513432, 3216043, 6432086, 12864172, 25728344]

約数ペア:

[(1, 25728344), (2, 12864172), (4, 6432086), (8, 3216043), (17, 1513432), (34, 756716), (68, 378358), (136, 189179), (139, 185096), (278, 92548), (556, 46274), (1112, 23137), (1361, 18904), (2363, 10888), (2722, 9452), (4726, 5444)]