2220295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 3409920

約数和(自身を除く): 1189625

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 79, 365, 385, 395, 511, 553, 803, 869, 2555, 2765, 4015, 4345, 5621, 5767, 6083, 28105, 28835, 30415, 40369, 63437, 201845, 317185, 444059, 2220295]

約数ペア:

[(1, 2220295), (5, 444059), (7, 317185), (11, 201845), (35, 63437), (55, 40369), (73, 30415), (77, 28835), (79, 28105), (365, 6083), (385, 5767), (395, 5621), (511, 4345), (553, 4015), (803, 2765), (869, 2555)]