388580975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{1051}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 504051072

約数和(自身を除く): 115470097

約数列:

[1, 5, 23, 25, 115, 575, 643, 1051, 3215, 5255, 14789, 16075, 24173, 26275, 73945, 120865, 369725, 604325, 675793, 3378965, 15543239, 16894825, 77716195, 388580975]

約数ペア:

[(1, 388580975), (5, 77716195), (23, 16894825), (25, 15543239), (115, 3378965), (575, 675793), (643, 604325), (1051, 369725), (3215, 120865), (5255, 73945), (14789, 26275), (16075, 24173)]