28481090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258919}}^1$

素因数の和:258937

約数の個数: 16

約数和(自身を含む): 55926720

約数和(自身を除く): 27445630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 258919, 517838, 1294595, 2589190, 2848109, 5696218, 14240545, 28481090]

約数ペア:

[(1, 28481090), (2, 14240545), (5, 5696218), (10, 2848109), (11, 2589190), (22, 1294595), (55, 517838), (110, 258919)]