28768190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{261529}}^1$

素因数の和:261547

約数の個数: 16

約数和(自身を含む): 56490480

約数和(自身を除く): 27722290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 261529, 523058, 1307645, 2615290, 2876819, 5753638, 14384095, 28768190]

約数ペア:

[(1, 28768190), (2, 14384095), (5, 5753638), (10, 2876819), (11, 2615290), (22, 1307645), (55, 523058), (110, 261529)]