261750557

素因数分解:

${\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 277119360

約数和(自身を除く): 15368803

約数列:

[1, 23, 157, 173, 419, 3611, 3979, 9637, 27161, 65783, 72487, 624703, 1513009, 1667201, 11380459, 261750557]

約数ペア:

[(1, 261750557), (23, 11380459), (157, 1667201), (173, 1513009), (419, 624703), (3611, 72487), (3979, 65783), (9637, 27161)]