28247345

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^2$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 39931584

約数和(自身を除く): 11684239

約数列:

[1, 5, 7, 35, 43, 137, 215, 301, 685, 959, 1505, 4795, 5891, 18769, 29455, 41237, 93845, 131383, 206185, 656915, 807067, 4035335, 5649469, 28247345]

約数ペア:

[(1, 28247345), (5, 5649469), (7, 4035335), (35, 807067), (43, 656915), (137, 206185), (215, 131383), (301, 93845), (685, 41237), (959, 29455), (1505, 18769), (4795, 5891)]