128977168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{424267}}^1$

素因数の和:424294

約数の個数: 20

約数和(自身を含む): 263046160

約数和(自身を除く): 134068992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 424267, 848534, 1697068, 3394136, 6788272, 8061073, 16122146, 32244292, 64488584, 128977168]

約数ペア:

[(1, 128977168), (2, 64488584), (4, 32244292), (8, 16122146), (16, 8061073), (19, 6788272), (38, 3394136), (76, 1697068), (152, 848534), (304, 424267)]