1388397725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{388363}}^1$

素因数の和:388397

約数の個数: 24

約数和(自身を含む): 2022599712

約数和(自身を除く): 634201987

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 388363, 1941815, 4271993, 5048719, 9709075, 21359965, 25243595, 55535909, 106799825, 126217975, 277679545, 1388397725]

約数ペア:

[(1, 1388397725), (5, 277679545), (11, 126217975), (13, 106799825), (25, 55535909), (55, 25243595), (65, 21359965), (143, 9709075), (275, 5048719), (325, 4271993), (715, 1941815), (3575, 388363)]