1399984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{5147}}^1$

素因数の和:5172

約数の個数: 20

約数和(自身を含む): 2872584

約数和(自身を除く): 1472600

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 5147, 10294, 20588, 41176, 82352, 87499, 174998, 349996, 699992, 1399984]

約数ペア:

[(1, 1399984), (2, 699992), (4, 349996), (8, 174998), (16, 87499), (17, 82352), (34, 41176), (68, 20588), (136, 10294), (272, 5147)]