81846872

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{457}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 156745920

約数和(自身を除く): 74899048

約数列:

[1, 2, 4, 8, 61, 122, 244, 367, 457, 488, 734, 914, 1468, 1828, 2936, 3656, 22387, 27877, 44774, 55754, 89548, 111508, 167719, 179096, 223016, 335438, 670876, 1341752, 10230859, 20461718, 40923436, 81846872]

約数ペア:

[(1, 81846872), (2, 40923436), (4, 20461718), (8, 10230859), (61, 1341752), (122, 670876), (244, 335438), (367, 223016), (457, 179096), (488, 167719), (734, 111508), (914, 89548), (1468, 55754), (1828, 44774), (2936, 27877), (3656, 22387)]