2812355

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 4232592

約数和(自身を除く): 1420237

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 883, 3185, 4415, 6181, 11479, 30905, 43267, 57395, 80353, 216335, 401765, 562471, 2812355]

約数ペア:

[(1, 2812355), (5, 562471), (7, 401765), (13, 216335), (35, 80353), (49, 57395), (65, 43267), (91, 30905), (245, 11479), (455, 6181), (637, 4415), (883, 3185)]