81038776

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111317}}^1$

素因数の和:111343

約数の個数: 32

約数和(自身を含む): 187014240

約数和(自身を除く): 105975464

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111317, 222634, 445268, 779219, 890536, 1447121, 1558438, 2894242, 3116876, 5788484, 6233752, 10129847, 11576968, 20259694, 40519388, 81038776]

約数ペア:

[(1, 81038776), (2, 40519388), (4, 20259694), (7, 11576968), (8, 10129847), (13, 6233752), (14, 5788484), (26, 3116876), (28, 2894242), (52, 1558438), (56, 1447121), (91, 890536), (104, 779219), (182, 445268), (364, 222634), (728, 111317)]