81236008

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{4951}}^1$

素因数の和:5257

約数の個数: 32

約数和(自身を含む): 174706560

約数和(自身を除く): 93470552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 2051, 2344, 4102, 4951, 8204, 9902, 16408, 19804, 34657, 39608, 69314, 138628, 277256, 1450643, 2901286, 5802572, 10154501, 11605144, 20309002, 40618004, 81236008]

約数ペア:

[(1, 81236008), (2, 40618004), (4, 20309002), (7, 11605144), (8, 10154501), (14, 5802572), (28, 2901286), (56, 1450643), (293, 277256), (586, 138628), (1172, 69314), (2051, 39608), (2344, 34657), (4102, 19804), (4951, 16408), (8204, 9902)]