1256385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 2298240

約数和(自身を除く): 1041855

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 379, 663, 1105, 1137, 1895, 3315, 4927, 5685, 6443, 14781, 19329, 24635, 32215, 73905, 83759, 96645, 251277, 418795, 1256385]

約数ペア:

[(1, 1256385), (3, 418795), (5, 251277), (13, 96645), (15, 83759), (17, 73905), (39, 32215), (51, 24635), (65, 19329), (85, 14781), (195, 6443), (221, 5685), (255, 4927), (379, 3315), (663, 1895), (1105, 1137)]