28920856

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 55987200

約数和(自身を除く): 27066344

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 568, 863, 1726, 3452, 4189, 6904, 8378, 16756, 33512, 50917, 61273, 101834, 122546, 203668, 245092, 407336, 490184, 3615107, 7230214, 14460428, 28920856]

約数ペア:

[(1, 28920856), (2, 14460428), (4, 7230214), (8, 3615107), (59, 490184), (71, 407336), (118, 245092), (142, 203668), (236, 122546), (284, 101834), (472, 61273), (568, 50917), (863, 33512), (1726, 16756), (3452, 8378), (4189, 6904)]