28551721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2592

約数の個数: 16

約数和(自身を含む): 33533568

約数和(自身を除く): 4981847

約数列:

[1, 11, 17, 61, 187, 671, 1037, 2503, 11407, 27533, 42551, 152683, 468061, 1679513, 2595611, 28551721]

約数ペア:

[(1, 28551721), (11, 2595611), (17, 1679513), (61, 468061), (187, 152683), (671, 42551), (1037, 27533), (2503, 11407)]