81895630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1549}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 156686400

約数和(自身を除く): 74790770

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 311, 622, 1549, 1555, 3098, 3110, 5287, 7745, 10574, 15490, 26333, 26435, 52666, 52870, 131665, 263330, 481739, 963478, 2408695, 4817390, 8189563, 16379126, 40947815, 81895630]

約数ペア:

[(1, 81895630), (2, 40947815), (5, 16379126), (10, 8189563), (17, 4817390), (34, 2408695), (85, 963478), (170, 481739), (311, 263330), (622, 131665), (1549, 52870), (1555, 52666), (3098, 26435), (3110, 26333), (5287, 15490), (7745, 10574)]