199855981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{3677}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 223063344

約数和(自身を除く): 23207363

約数列:

[1, 13, 37, 113, 481, 1469, 3677, 4181, 47801, 54353, 136049, 415501, 1768637, 5401513, 15373537, 199855981]

約数ペア:

[(1, 199855981), (13, 15373537), (37, 5401513), (113, 1768637), (481, 415501), (1469, 136049), (3677, 54353), (4181, 47801)]