261932879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28661}}^1$

素因数の和:28730

約数の個数: 16

約数和(自身を含む): 304963680

約数和(自身を除く): 43030801

約数列:

[1, 13, 19, 37, 247, 481, 703, 9139, 28661, 372593, 544559, 1060457, 7079267, 13785941, 20148683, 261932879]

約数ペア:

[(1, 261932879), (13, 20148683), (19, 13785941), (37, 7079267), (247, 1060457), (481, 544559), (703, 372593), (9139, 28661)]