261755275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{255371}}^1$

素因数の和:255422

約数の個数: 12

約数和(自身を含む): 332494344

約数和(自身を除く): 70739069

約数列:

[1, 5, 25, 41, 205, 1025, 255371, 1276855, 6384275, 10470211, 52351055, 261755275]

約数ペア:

[(1, 261755275), (5, 52351055), (25, 10470211), (41, 6384275), (205, 1276855), (1025, 255371)]