28872107

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 33143040

約数和(自身を除く): 4270933

約数列:

[1, 11, 23, 139, 253, 821, 1529, 3197, 9031, 18883, 35167, 114119, 207713, 1255309, 2624737, 28872107]

約数ペア:

[(1, 28872107), (11, 2624737), (23, 1255309), (139, 207713), (253, 114119), (821, 35167), (1529, 18883), (3197, 9031)]