128565256

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{31573}}^1$

素因数の和:32088

約数の個数: 16

約数和(自身を含む): 241541100

約数和(自身を除く): 112975844

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 31573, 63146, 126292, 252584, 16070657, 32141314, 64282628, 128565256]

約数ペア:

[(1, 128565256), (2, 64282628), (4, 32141314), (8, 16070657), (509, 252584), (1018, 126292), (2036, 63146), (4072, 31573)]