28778398

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1224

約数の個数: 24

約数和(自身を含む): 47927880

約数和(自身を除く): 19149482

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 1091, 1199, 2182, 2398, 12001, 13189, 24002, 26378, 118919, 132011, 237838, 264022, 1308109, 2616218, 14389199, 28778398]

約数ペア:

[(1, 28778398), (2, 14389199), (11, 2616218), (22, 1308109), (109, 264022), (121, 237838), (218, 132011), (242, 118919), (1091, 26378), (1199, 24002), (2182, 13189), (2398, 12001)]