12783953

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 16665600

約数和(自身を除く): 3881647

約数列:

[1, 7, 13, 47, 49, 61, 91, 329, 343, 427, 611, 637, 793, 2303, 2867, 2989, 4277, 4459, 5551, 16121, 20069, 20923, 29939, 37271, 38857, 140483, 209573, 260897, 271999, 983381, 1826279, 12783953]

約数ペア:

[(1, 12783953), (7, 1826279), (13, 983381), (47, 271999), (49, 260897), (61, 209573), (91, 140483), (329, 38857), (343, 37271), (427, 29939), (611, 20923), (637, 20069), (793, 16121), (2303, 5551), (2867, 4459), (2989, 4277)]