28700290

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{6659}}^1$

素因数の和:7097

約数の個数: 16

約数和(自身を含む): 51788160

約数和(自身を除く): 23087870

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 6659, 13318, 33295, 66590, 2870029, 5740058, 14350145, 28700290]

約数ペア:

[(1, 28700290), (2, 14350145), (5, 5740058), (10, 2870029), (431, 66590), (862, 33295), (2155, 13318), (4310, 6659)]