12506221

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 16231320

約数和(自身を除く): 3725099

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 677, 1421, 2639, 4739, 8801, 18473, 19633, 33173, 61607, 137431, 255229, 431249, 962017, 1786603, 12506221]

約数ペア:

[(1, 12506221), (7, 1786603), (13, 962017), (29, 431249), (49, 255229), (91, 137431), (203, 61607), (377, 33173), (637, 19633), (677, 18473), (1421, 8801), (2639, 4739)]