28547485

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 36789984

約数和(自身を除く): 8242499

約数列:

[1, 5, 23, 43, 115, 215, 251, 529, 989, 1255, 2645, 4945, 5773, 10793, 22747, 28865, 53965, 113735, 132779, 248239, 663895, 1241195, 5709497, 28547485]

約数ペア:

[(1, 28547485), (5, 5709497), (23, 1241195), (43, 663895), (115, 248239), (215, 132779), (251, 113735), (529, 53965), (989, 28865), (1255, 22747), (2645, 10793), (4945, 5773)]