1781380415

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1\times {\mathrm{3361}}^1$

素因数の和:4930

約数の個数: 16

約数和(自身を含む): 2169861696

約数和(自身を除く): 388481281

約数列:

[1, 5, 71, 355, 1493, 3361, 7465, 16805, 106003, 238631, 530015, 1193155, 5017973, 25089865, 356276083, 1781380415]

約数ペア:

[(1, 1781380415), (5, 356276083), (71, 25089865), (355, 5017973), (1493, 1193155), (3361, 530015), (7465, 238631), (16805, 106003)]