81132784

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{69463}}^1$

素因数の和:69544

約数の個数: 20

約数和(自身を含む): 159350416

約数和(自身を除く): 78217632

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 69463, 138926, 277852, 555704, 1111408, 5070799, 10141598, 20283196, 40566392, 81132784]

約数ペア:

[(1, 81132784), (2, 40566392), (4, 20283196), (8, 10141598), (16, 5070799), (73, 1111408), (146, 555704), (292, 277852), (584, 138926), (1168, 69463)]