278180975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{11251}}^1$

素因数の和:11327

約数の個数: 24

約数和(自身を含む): 368345472

約数和(自身を除く): 90164497

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 989, 1075, 4945, 11251, 24725, 56255, 258773, 281275, 483793, 1293865, 2418965, 6469325, 11127239, 12094825, 55636195, 278180975]

約数ペア:

[(1, 278180975), (5, 55636195), (23, 12094825), (25, 11127239), (43, 6469325), (115, 2418965), (215, 1293865), (575, 483793), (989, 281275), (1075, 258773), (4945, 56255), (11251, 24725)]