81543056

素因数分解:

$2^4\times 7^2\times {\mathrm{104009}}^1$

素因数の和:104031

約数の個数: 30

約数和(自身を含む): 183785670

約数和(自身を除く): 102242614

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 104009, 208018, 416036, 728063, 832072, 1456126, 1664144, 2912252, 5096441, 5824504, 10192882, 11649008, 20385764, 40771528, 81543056]

約数ペア:

[(1, 81543056), (2, 40771528), (4, 20385764), (7, 11649008), (8, 10192882), (14, 5824504), (16, 5096441), (28, 2912252), (49, 1664144), (56, 1456126), (98, 832072), (112, 728063), (196, 416036), (392, 208018), (784, 104009)]