806806

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 1686528

約数和(自身を除く): 879722

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 143, 154, 169, 182, 217, 286, 338, 341, 403, 434, 682, 806, 1001, 1183, 1859, 2002, 2366, 2387, 2821, 3718, 4433, 4774, 5239, 5642, 8866, 10478, 13013, 26026, 31031, 36673, 57629, 62062, 73346, 115258, 403403, 806806]

約数ペア:

[(1, 806806), (2, 403403), (7, 115258), (11, 73346), (13, 62062), (14, 57629), (22, 36673), (26, 31031), (31, 26026), (62, 13013), (77, 10478), (91, 8866), (143, 5642), (154, 5239), (169, 4774), (182, 4433), (217, 3718), (286, 2821), (338, 2387), (341, 2366), (403, 2002), (434, 1859), (682, 1183), (806, 1001)]