665312

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1250

約数の個数: 24

約数和(自身を含む): 1388016

約数和(自身を除く): 722704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 1223, 2446, 4892, 9784, 19568, 20791, 39136, 41582, 83164, 166328, 332656, 665312]

約数ペア:

[(1, 665312), (2, 332656), (4, 166328), (8, 83164), (16, 41582), (17, 39136), (32, 20791), (34, 19568), (68, 9784), (136, 4892), (272, 2446), (544, 1223)]