28260290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{166237}}^1$

素因数の和:166261

約数の個数: 16

約数和(自身を含む): 53861112

約数和(自身を除く): 25600822

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 166237, 332474, 831185, 1662370, 2826029, 5652058, 14130145, 28260290]

約数ペア:

[(1, 28260290), (2, 14130145), (5, 5652058), (10, 2826029), (17, 1662370), (34, 831185), (85, 332474), (170, 166237)]