221839969

素因数分解:

${\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{419}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 242020800

約数和(自身を除く): 20180831

約数列:

[1, 13, 139, 293, 419, 1807, 3809, 5447, 40727, 58241, 122767, 529451, 757133, 1595971, 17064613, 221839969]

約数ペア:

[(1, 221839969), (13, 17064613), (139, 1595971), (293, 757133), (419, 529451), (1807, 122767), (3809, 58241), (5447, 40727)]