81019526

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{739}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 143216640

約数和(自身を除く): 62197114

約数列:

[1, 2, 7, 14, 41, 82, 191, 287, 382, 574, 739, 1337, 1478, 2674, 5173, 7831, 10346, 15662, 30299, 54817, 60598, 109634, 141149, 212093, 282298, 424186, 988043, 1976086, 5787109, 11574218, 40509763, 81019526]

約数ペア:

[(1, 81019526), (2, 40509763), (7, 11574218), (14, 5787109), (41, 1976086), (82, 988043), (191, 424186), (287, 282298), (382, 212093), (574, 141149), (739, 109634), (1337, 60598), (1478, 54817), (2674, 30299), (5173, 15662), (7831, 10346)]