189941804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{280979}}^1$

素因数の和:281009

約数の個数: 18

約数和(自身を含む): 359935380

約数和(自身を除く): 169993576

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 280979, 561958, 1123916, 3652727, 7305454, 14610908, 47485451, 94970902, 189941804]

約数ペア:

[(1, 189941804), (2, 94970902), (4, 47485451), (13, 14610908), (26, 7305454), (52, 3652727), (169, 1123916), (338, 561958), (676, 280979)]