13200355

素因数分解:

$5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 19008000

約数和(自身を除く): 5807645

約数列:

[1, 5, 7, 35, 43, 49, 179, 215, 245, 301, 343, 895, 1253, 1505, 1715, 2107, 6265, 7697, 8771, 10535, 14749, 38485, 43855, 53879, 61397, 73745, 269395, 306985, 377153, 1885765, 2640071, 13200355]

約数ペア:

[(1, 13200355), (5, 2640071), (7, 1885765), (35, 377153), (43, 306985), (49, 269395), (179, 73745), (215, 61397), (245, 53879), (301, 43855), (343, 38485), (895, 14749), (1253, 10535), (1505, 8771), (1715, 7697), (2107, 6265)]