128419024

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{422431}}^1$

素因数の和:422458

約数の個数: 20

約数和(自身を含む): 261907840

約数和(自身を除く): 133488816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 422431, 844862, 1689724, 3379448, 6758896, 8026189, 16052378, 32104756, 64209512, 128419024]

約数ペア:

[(1, 128419024), (2, 64209512), (4, 32104756), (8, 16052378), (16, 8026189), (19, 6758896), (38, 3379448), (76, 1689724), (152, 844862), (304, 422431)]