28171486

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18461}}^1$

素因数の和:18579

約数の個数: 16

約数和(自身を含む): 48739680

約数和(自身を除く): 20568194

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 18461, 36922, 129227, 258454, 2012249, 4024498, 14085743, 28171486]

約数ペア:

[(1, 28171486), (2, 14085743), (7, 4024498), (14, 2012249), (109, 258454), (218, 129227), (763, 36922), (1526, 18461)]