856304

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:608

約数の個数: 20

約数和(自身を含む): 1677720

約数和(自身を除く): 821416

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 491, 872, 982, 1744, 1964, 3928, 7856, 53519, 107038, 214076, 428152, 856304]

約数ペア:

[(1, 856304), (2, 428152), (4, 214076), (8, 107038), (16, 53519), (109, 7856), (218, 3928), (436, 1964), (491, 1744), (872, 982)]