78490246

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 24

約数和(自身を含む): 122577840

約数和(自身を除く): 44087594

約数列:

[1, 2, 37, 74, 109, 218, 263, 526, 1369, 2738, 4033, 8066, 9731, 19462, 28667, 57334, 149221, 298442, 360047, 720094, 1060679, 2121358, 39245123, 78490246]

約数ペア:

[(1, 78490246), (2, 39245123), (37, 2121358), (74, 1060679), (109, 720094), (218, 360047), (263, 298442), (526, 149221), (1369, 57334), (2738, 28667), (4033, 19462), (8066, 9731)]