28663030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{260573}}^1$

素因数の和:260591

約数の個数: 16

約数和(自身を含む): 56283984

約数和(自身を除く): 27620954

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 260573, 521146, 1302865, 2605730, 2866303, 5732606, 14331515, 28663030]

約数ペア:

[(1, 28663030), (2, 14331515), (5, 5732606), (10, 2866303), (11, 2605730), (22, 1302865), (55, 521146), (110, 260573)]