947942545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{40939}}^1$

素因数の和:41376

約数の個数: 16

約数和(自身を含む): 1243920960

約数和(自身を除く): 295978415

約数列:

[1, 5, 11, 55, 421, 2105, 4631, 23155, 40939, 204695, 450329, 2251645, 17235319, 86176595, 189588509, 947942545]

約数ペア:

[(1, 947942545), (5, 189588509), (11, 86176595), (55, 17235319), (421, 2251645), (2105, 450329), (4631, 204695), (23155, 40939)]