1280525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 1767744

約数和(自身を除く): 487219

約数列:

[1, 5, 17, 23, 25, 85, 115, 131, 391, 425, 575, 655, 1955, 2227, 3013, 3275, 9775, 11135, 15065, 51221, 55675, 75325, 256105, 1280525]

約数ペア:

[(1, 1280525), (5, 256105), (17, 75325), (23, 55675), (25, 51221), (85, 15065), (115, 11135), (131, 9775), (391, 3275), (425, 3013), (575, 2227), (655, 1955)]