28404563

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 34235136

約数和(自身を除く): 5830573

約数列:

[1, 11, 19, 23, 209, 253, 311, 361, 437, 3421, 3971, 4807, 5909, 7153, 8303, 64999, 78683, 91333, 112271, 135907, 1234981, 1494977, 2582233, 28404563]

約数ペア:

[(1, 28404563), (11, 2582233), (19, 1494977), (23, 1234981), (209, 135907), (253, 112271), (311, 91333), (361, 78683), (437, 64999), (3421, 8303), (3971, 7153), (4807, 5909)]