81252656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{298723}}^1$

素因数の和:298748

約数の個数: 20

約数和(自身を含む): 166687992

約数和(自身を除く): 85435336

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 298723, 597446, 1194892, 2389784, 4779568, 5078291, 10156582, 20313164, 40626328, 81252656]

約数ペア:

[(1, 81252656), (2, 40626328), (4, 20313164), (8, 10156582), (16, 5078291), (17, 4779568), (34, 2389784), (68, 1194892), (136, 597446), (272, 298723)]