128838316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{877}}^1\times {\mathrm{1933}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 237727280

約数和(自身を除く): 108888964

約数列:

[1, 2, 4, 19, 38, 76, 877, 1754, 1933, 3508, 3866, 7732, 16663, 33326, 36727, 66652, 73454, 146908, 1695241, 3390482, 6780964, 32209579, 64419158, 128838316]

約数ペア:

[(1, 128838316), (2, 64419158), (4, 32209579), (19, 6780964), (38, 3390482), (76, 1695241), (877, 146908), (1754, 73454), (1933, 66652), (3508, 36727), (3866, 33326), (7732, 16663)]