80787421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 98461440

約数和(自身を除く): 17674019

約数列:

[1, 11, 13, 71, 73, 109, 143, 781, 803, 923, 949, 1199, 1417, 5183, 7739, 7957, 10153, 10439, 15587, 57013, 67379, 85129, 87527, 100607, 103441, 564947, 741169, 1106677, 1137851, 6214417, 7344311, 80787421]

約数ペア:

[(1, 80787421), (11, 7344311), (13, 6214417), (71, 1137851), (73, 1106677), (109, 741169), (143, 564947), (781, 103441), (803, 100607), (923, 87527), (949, 85129), (1199, 67379), (1417, 57013), (5183, 15587), (7739, 10439), (7957, 10153)]