257069448

素因数分解:

$2^3\times 3^2\times {\mathrm{3570409}}^1$

素因数の和:3570421

約数の個数: 24

約数和(自身を含む): 696229950

約数和(自身を除く): 439160502

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3570409, 7140818, 10711227, 14281636, 21422454, 28563272, 32133681, 42844908, 64267362, 85689816, 128534724, 257069448]

約数ペア:

[(1, 257069448), (2, 128534724), (3, 85689816), (4, 64267362), (6, 42844908), (8, 32133681), (9, 28563272), (12, 21422454), (18, 14281636), (24, 10711227), (36, 7140818), (72, 3570409)]