81808404

素因数分解:

$2^2\times 3^1\times {\mathrm{563}}^1\times {\mathrm{12109}}^1$

素因数の和:12679

約数の個数: 24

約数和(自身を含む): 191241120

約数和(自身を除く): 109432716

約数列:

[1, 2, 3, 4, 6, 12, 563, 1126, 1689, 2252, 3378, 6756, 12109, 24218, 36327, 48436, 72654, 145308, 6817367, 13634734, 20452101, 27269468, 40904202, 81808404]

約数ペア:

[(1, 81808404), (2, 40904202), (3, 27269468), (4, 20452101), (6, 13634734), (12, 6817367), (563, 145308), (1126, 72654), (1689, 48436), (2252, 36327), (3378, 24218), (6756, 12109)]