1728304

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1108

約数の個数: 20

約数和(自身を含む): 3382720

約数和(自身を除く): 1654416

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 991, 1744, 1982, 3964, 7928, 15856, 108019, 216038, 432076, 864152, 1728304]

約数ペア:

[(1, 1728304), (2, 864152), (4, 432076), (8, 216038), (16, 108019), (109, 15856), (218, 7928), (436, 3964), (872, 1982), (991, 1744)]