64181155

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12979}}^1$

素因数の和:13050

約数の個数: 16

約数和(自身を含む): 82241280

約数和(自身を除く): 18060125

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 12979, 64895, 298517, 558097, 1492585, 2790485, 12836231, 64181155]

約数ペア:

[(1, 64181155), (5, 12836231), (23, 2790485), (43, 1492585), (115, 558097), (215, 298517), (989, 64895), (4945, 12979)]