856605428

素因数分解:

$2^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{38873}}^1$

素因数の和:39671

約数の個数: 24

約数和(自身を含む): 1715431872

約数和(自身を除く): 858826444

約数列:

[1, 2, 4, 7, 14, 28, 787, 1574, 3148, 5509, 11018, 22036, 38873, 77746, 155492, 272111, 544222, 1088444, 30593051, 61186102, 122372204, 214151357, 428302714, 856605428]

約数ペア:

[(1, 856605428), (2, 428302714), (4, 214151357), (7, 122372204), (14, 61186102), (28, 30593051), (787, 1088444), (1574, 544222), (3148, 272111), (5509, 155492), (11018, 77746), (22036, 38873)]