81123056

素因数分解:

$2^4\times 7^1\times {\mathrm{724313}}^1$

素因数の和:724328

約数の個数: 20

約数和(自身を含む): 179629872

約数和(自身を除く): 98506816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724313, 1448626, 2897252, 5070191, 5794504, 10140382, 11589008, 20280764, 40561528, 81123056]

約数ペア:

[(1, 81123056), (2, 40561528), (4, 20280764), (7, 11589008), (8, 10140382), (14, 5794504), (16, 5070191), (28, 2897252), (56, 1448626), (112, 724313)]