81472048

素因数分解:

$2^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2339}}^1$

素因数の和:2665

約数の個数: 40

約数和(自身を含む): 181059840

約数和(自身を除く): 99587792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 311, 622, 1244, 2177, 2339, 2488, 4354, 4678, 4976, 8708, 9356, 16373, 17416, 18712, 32746, 34832, 37424, 65492, 130984, 261968, 727429, 1454858, 2909716, 5092003, 5819432, 10184006, 11638864, 20368012, 40736024, 81472048]

約数ペア:

[(1, 81472048), (2, 40736024), (4, 20368012), (7, 11638864), (8, 10184006), (14, 5819432), (16, 5092003), (28, 2909716), (56, 1454858), (112, 727429), (311, 261968), (622, 130984), (1244, 65492), (2177, 37424), (2339, 34832), (2488, 32746), (4354, 18712), (4678, 17416), (4976, 16373), (8708, 9356)]