1089803990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9907309}}^1$

素因数の和:9907327

約数の個数: 16

約数和(自身を含む): 2139978960

約数和(自身を除く): 1050174970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 9907309, 19814618, 49536545, 99073090, 108980399, 217960798, 544901995, 1089803990]

約数ペア:

[(1, 1089803990), (2, 544901995), (5, 217960798), (10, 108980399), (11, 99073090), (22, 49536545), (55, 19814618), (110, 9907309)]