220137991

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 235146240

約数和(自身を除く): 15008249

約数列:

[1, 23, 53, 419, 431, 1219, 9637, 9913, 22207, 22843, 180589, 510761, 525389, 4153547, 9571217, 220137991]

約数ペア:

[(1, 220137991), (23, 9571217), (53, 4153547), (419, 525389), (431, 510761), (1219, 180589), (9637, 22843), (9913, 22207)]