2641456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{8689}}^1$

素因数の和:8716

約数の個数: 20

約数和(自身を含む): 5387800

約数和(自身を除く): 2746344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 8689, 17378, 34756, 69512, 139024, 165091, 330182, 660364, 1320728, 2641456]

約数ペア:

[(1, 2641456), (2, 1320728), (4, 660364), (8, 330182), (16, 165091), (19, 139024), (38, 69512), (76, 34756), (152, 17378), (304, 8689)]