1440188

素因数分解:

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

素因数の和:341

約数の個数: 18

約数和(自身を含む): 2600136

約数和(自身を除く): 1159948

約数列:

[1, 2, 4, 37, 74, 148, 263, 526, 1052, 1369, 2738, 5476, 9731, 19462, 38924, 360047, 720094, 1440188]

約数ペア:

[(1, 1440188), (2, 720094), (4, 360047), (37, 38924), (74, 19462), (148, 9731), (263, 5476), (526, 2738), (1052, 1369)]