28236815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2719}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 35512320

約数和(自身を除く): 7275505

約数列:

[1, 5, 31, 67, 155, 335, 2077, 2719, 10385, 13595, 84289, 182173, 421445, 910865, 5647363, 28236815]

約数ペア:

[(1, 28236815), (5, 5647363), (31, 910865), (67, 421445), (155, 182173), (335, 84289), (2077, 13595), (2719, 10385)]