158978854

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{1609}}^1$

素因数の和:2127

約数の個数: 16

約数和(自身を含む): 241113600

約数和(自身を除く): 82134746

約数列:

[1, 2, 127, 254, 389, 778, 1609, 3218, 49403, 98806, 204343, 408686, 625901, 1251802, 79489427, 158978854]

約数ペア:

[(1, 158978854), (2, 79489427), (127, 1251802), (254, 625901), (389, 408686), (778, 204343), (1609, 98806), (3218, 49403)]