16855657

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 21603456

約数和(自身を除く): 4747799

約数列:

[1, 7, 13, 47, 49, 91, 329, 563, 611, 637, 2303, 3941, 4277, 7319, 26461, 27587, 29939, 51233, 185227, 343993, 358631, 1296589, 2407951, 16855657]

約数ペア:

[(1, 16855657), (7, 2407951), (13, 1296589), (47, 358631), (49, 343993), (91, 185227), (329, 51233), (563, 29939), (611, 27587), (637, 26461), (2303, 7319), (3941, 4277)]