16390745

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 23085000

約数和(自身を除く): 6694255

約数列:

[1, 5, 7, 35, 49, 149, 245, 449, 745, 1043, 2245, 3143, 5215, 7301, 15715, 22001, 36505, 66901, 110005, 334505, 468307, 2341535, 3278149, 16390745]

約数ペア:

[(1, 16390745), (5, 3278149), (7, 2341535), (35, 468307), (49, 334505), (149, 110005), (245, 66901), (449, 36505), (745, 22001), (1043, 15715), (2245, 7301), (3143, 5215)]