2390465

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 3644352

約数和(自身を除く): 1253887

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 887, 2695, 4435, 6209, 9757, 31045, 43463, 48785, 68299, 217315, 341495, 478093, 2390465]

約数ペア:

[(1, 2390465), (5, 478093), (7, 341495), (11, 217315), (35, 68299), (49, 48785), (55, 43463), (77, 31045), (245, 9757), (385, 6209), (539, 4435), (887, 2695)]