209301425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1723}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 268075104

約数和(自身を除く): 58773679

約数列:

[1, 5, 25, 43, 113, 215, 565, 1075, 1723, 2825, 4859, 8615, 24295, 43075, 74089, 121475, 194699, 370445, 973495, 1852225, 4867475, 8372057, 41860285, 209301425]

約数ペア:

[(1, 209301425), (5, 41860285), (25, 8372057), (43, 4867475), (113, 1852225), (215, 973495), (565, 370445), (1075, 194699), (1723, 121475), (2825, 74089), (4859, 43075), (8615, 24295)]