2521295

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 3619728

約数和(自身を除く): 1098433

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 251, 287, 1255, 1435, 1757, 2009, 8785, 10045, 10291, 12299, 51455, 61495, 72037, 360185, 504259, 2521295]

約数ペア:

[(1, 2521295), (5, 504259), (7, 360185), (35, 72037), (41, 61495), (49, 51455), (205, 12299), (245, 10291), (251, 10045), (287, 8785), (1255, 2009), (1435, 1757)]