31811225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 41857440

約数和(自身を除く): 10046215

約数列:

[1, 5, 19, 25, 95, 193, 347, 475, 965, 1735, 3667, 4825, 6593, 8675, 18335, 32965, 66971, 91675, 164825, 334855, 1272449, 1674275, 6362245, 31811225]

約数ペア:

[(1, 31811225), (5, 6362245), (19, 1674275), (25, 1272449), (95, 334855), (193, 164825), (347, 91675), (475, 66971), (965, 32965), (1735, 18335), (3667, 8675), (4825, 6593)]