172871108

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{485593}}^1$

素因数の和:485686

約数の個数: 12

約数和(自身を含む): 305924220

約数和(自身を除く): 133053112

約数列:

[1, 2, 4, 89, 178, 356, 485593, 971186, 1942372, 43217777, 86435554, 172871108]

約数ペア:

[(1, 172871108), (2, 86435554), (4, 43217777), (89, 1942372), (178, 971186), (356, 485593)]