256430896

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{219547}}^1$

素因数の和:219628

約数の個数: 20

約数和(自身を含む): 503643112

約数和(自身を除く): 247212216

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 219547, 439094, 878188, 1756376, 3512752, 16026931, 32053862, 64107724, 128215448, 256430896]

約数ペア:

[(1, 256430896), (2, 128215448), (4, 64107724), (8, 32053862), (16, 16026931), (73, 3512752), (146, 1756376), (292, 878188), (584, 439094), (1168, 219547)]