1728688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8311}}^1$

素因数の和:8332

約数の個数: 20

約数和(自身を含む): 3607408

約数和(自身を除く): 1878720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8311, 16622, 33244, 66488, 108043, 132976, 216086, 432172, 864344, 1728688]

約数ペア:

[(1, 1728688), (2, 864344), (4, 432172), (8, 216086), (13, 132976), (16, 108043), (26, 66488), (52, 33244), (104, 16622), (208, 8311)]