5218745

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 7776000

約数和(自身を除く): 2557255

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 179, 245, 343, 595, 833, 895, 1253, 1715, 3043, 4165, 5831, 6265, 8771, 15215, 21301, 29155, 43855, 61397, 106505, 149107, 306985, 745535, 1043749, 5218745]

約数ペア:

[(1, 5218745), (5, 1043749), (7, 745535), (17, 306985), (35, 149107), (49, 106505), (85, 61397), (119, 43855), (179, 29155), (245, 21301), (343, 15215), (595, 8771), (833, 6265), (895, 5831), (1253, 4165), (1715, 3043)]