208314145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{74531}}^1$

素因数の和:74592

約数の個数: 16

約数和(自身を含む): 275470272

約数和(自身を除く): 67156127

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 74531, 372655, 968903, 3204833, 4844515, 16024165, 41662829, 208314145]

約数ペア:

[(1, 208314145), (5, 41662829), (13, 16024165), (43, 4844515), (65, 3204833), (215, 968903), (559, 372655), (2795, 74531)]