81463930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8237}}^1$

素因数の和:8310

約数の個数: 32

約数和(自身を含む): 156587904

約数和(自身を除く): 75123974

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 8237, 9890, 16474, 41185, 82370, 189451, 354191, 378902, 708382, 947255, 1770955, 1894510, 3541910, 8146393, 16292786, 40731965, 81463930]

約数ペア:

[(1, 81463930), (2, 40731965), (5, 16292786), (10, 8146393), (23, 3541910), (43, 1894510), (46, 1770955), (86, 947255), (115, 708382), (215, 378902), (230, 354191), (430, 189451), (989, 82370), (1978, 41185), (4945, 16474), (8237, 9890)]