78723430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1489}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 150621120

約数和(自身を除く): 71897690

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 311, 622, 1489, 1555, 2978, 3110, 5287, 7445, 10574, 14890, 25313, 26435, 50626, 52870, 126565, 253130, 463079, 926158, 2315395, 4630790, 7872343, 15744686, 39361715, 78723430]

約数ペア:

[(1, 78723430), (2, 39361715), (5, 15744686), (10, 7872343), (17, 4630790), (34, 2315395), (85, 926158), (170, 463079), (311, 253130), (622, 126565), (1489, 52870), (1555, 50626), (2978, 26435), (3110, 25313), (5287, 14890), (7445, 10574)]