81268310

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{17783}}^1$

素因数の和:18247

約数の個数: 16

約数和(自身を含む): 146611296

約数和(自身を除く): 65342986

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 17783, 35566, 88915, 177830, 8126831, 16253662, 40634155, 81268310]

約数ペア:

[(1, 81268310), (2, 40634155), (5, 16253662), (10, 8126831), (457, 177830), (914, 88915), (2285, 35566), (4570, 17783)]