219997349

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 267563520

約数和(自身を除く): 47566171

約数列:

[1, 11, 13, 41, 143, 157, 239, 451, 533, 1727, 2041, 2629, 3107, 5863, 6437, 9799, 22451, 34177, 37523, 70807, 83681, 107789, 127387, 412753, 487799, 920491, 1401257, 1538443, 5365789, 16922873, 19999759, 219997349]

約数ペア:

[(1, 219997349), (11, 19999759), (13, 16922873), (41, 5365789), (143, 1538443), (157, 1401257), (239, 920491), (451, 487799), (533, 412753), (1727, 127387), (2041, 107789), (2629, 83681), (3107, 70807), (5863, 37523), (6437, 34177), (9799, 22451)]