28796383

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 37509120

約数和(自身を除く): 8712737

約数列:

[1, 7, 11, 47, 73, 77, 109, 329, 511, 517, 763, 803, 1199, 3431, 3619, 5123, 5621, 7957, 8393, 24017, 35861, 37741, 55699, 56353, 87527, 264187, 373979, 394471, 612689, 2617853, 4113769, 28796383]

約数ペア:

[(1, 28796383), (7, 4113769), (11, 2617853), (47, 612689), (73, 394471), (77, 373979), (109, 264187), (329, 87527), (511, 56353), (517, 55699), (763, 37741), (803, 35861), (1199, 24017), (3431, 8393), (3619, 7957), (5123, 5621)]