81568279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 90478080

約数和(自身を除く): 8909801

約数列:

[1, 13, 67, 71, 871, 923, 1319, 4757, 17147, 61841, 88373, 93649, 1148849, 1217437, 6274483, 81568279]

約数ペア:

[(1, 81568279), (13, 6274483), (67, 1217437), (71, 1148849), (871, 93649), (923, 88373), (1319, 61841), (4757, 17147)]