11971385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 15361920

約数和(自身を除く): 3390535

約数列:

[1, 5, 23, 41, 115, 205, 943, 2539, 4715, 12695, 58397, 104099, 291985, 520495, 2394277, 11971385]

約数ペア:

[(1, 11971385), (5, 2394277), (23, 520495), (41, 291985), (115, 104099), (205, 58397), (943, 12695), (2539, 4715)]