205979774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 418424832

約数和(自身を除く): 212445058

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 137, 143, 154, 182, 274, 286, 751, 959, 1001, 1502, 1507, 1781, 1918, 2002, 3014, 3562, 5257, 8261, 9763, 10514, 10549, 12467, 16522, 19526, 19591, 21098, 24934, 39182, 57827, 68341, 102887, 107393, 115654, 136682, 137137, 205774, 214786, 274274, 720209, 751751, 1131757, 1337531, 1440418, 1503502, 2263514, 2675062, 7922299, 9362717, 14712841, 15844598, 18725434, 29425682, 102989887, 205979774]

約数ペア:

[(1, 205979774), (2, 102989887), (7, 29425682), (11, 18725434), (13, 15844598), (14, 14712841), (22, 9362717), (26, 7922299), (77, 2675062), (91, 2263514), (137, 1503502), (143, 1440418), (154, 1337531), (182, 1131757), (274, 751751), (286, 720209), (751, 274274), (959, 214786), (1001, 205774), (1502, 137137), (1507, 136682), (1781, 115654), (1918, 107393), (2002, 102887), (3014, 68341), (3562, 57827), (5257, 39182), (8261, 24934), (9763, 21098), (10514, 19591), (10549, 19526), (12467, 16522)]