81111784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13219}}^1$

素因数の和:13297

約数の個数: 32

約数和(自身を含む): 166572000

約数和(自身を除く): 85460216

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 6136, 13219, 26438, 52876, 105752, 171847, 343694, 687388, 779921, 1374776, 1559842, 3119684, 6239368, 10138973, 20277946, 40555892, 81111784]

約数ペア:

[(1, 81111784), (2, 40555892), (4, 20277946), (8, 10138973), (13, 6239368), (26, 3119684), (52, 1559842), (59, 1374776), (104, 779921), (118, 687388), (236, 343694), (472, 171847), (767, 105752), (1534, 52876), (3068, 26438), (6136, 13219)]