81371758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3917}}^1$

素因数の和:3996

約数の個数: 32

約数和(自身を含む): 142176384

約数和(自身を除く): 60804626

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 1222, 1598, 3917, 7834, 10387, 20774, 50921, 66589, 101842, 133178, 184099, 368198, 865657, 1731314, 2393287, 3129683, 4786574, 6259366, 40685879, 81371758]

約数ペア:

[(1, 81371758), (2, 40685879), (13, 6259366), (17, 4786574), (26, 3129683), (34, 2393287), (47, 1731314), (94, 865657), (221, 368198), (442, 184099), (611, 133178), (799, 101842), (1222, 66589), (1598, 50921), (3917, 20774), (7834, 10387)]