78724372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1601}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 145333440

約数和(自身を除く): 66609068

約数列:

[1, 2, 4, 19, 38, 76, 647, 1294, 1601, 2588, 3202, 6404, 12293, 24586, 30419, 49172, 60838, 121676, 1035847, 2071694, 4143388, 19681093, 39362186, 78724372]

約数ペア:

[(1, 78724372), (2, 39362186), (4, 19681093), (19, 4143388), (38, 2071694), (76, 1035847), (647, 121676), (1294, 60838), (1601, 49172), (2588, 30419), (3202, 24586), (6404, 12293)]