64167788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20593}}^1$

素因数の和:20657

約数の個数: 24

約数和(自身を含む): 121092720

約数和(自身を除く): 56924932

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 20593, 41186, 82372, 391267, 782534, 844313, 1565068, 1688626, 3377252, 16041947, 32083894, 64167788]

約数ペア:

[(1, 64167788), (2, 32083894), (4, 16041947), (19, 3377252), (38, 1688626), (41, 1565068), (76, 844313), (82, 782534), (164, 391267), (779, 82372), (1558, 41186), (3116, 20593)]