28391105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1583}}^1$

素因数の和:1816

約数の個数: 16

約数和(自身を含む): 36267264

約数和(自身を除く): 7876159

約数列:

[1, 5, 17, 85, 211, 1055, 1583, 3587, 7915, 17935, 26911, 134555, 334013, 1670065, 5678221, 28391105]

約数ペア:

[(1, 28391105), (5, 5678221), (17, 1670065), (85, 334013), (211, 134555), (1055, 26911), (1583, 17935), (3587, 7915)]