128993774

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 258695640

約数和(自身を除く): 129701866

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 73, 91, 98, 133, 146, 182, 247, 266, 494, 511, 637, 931, 949, 1022, 1274, 1387, 1729, 1862, 1898, 2774, 3458, 3577, 5329, 6643, 7154, 9709, 10658, 12103, 13286, 18031, 19418, 24206, 36062, 37303, 46501, 67963, 69277, 74606, 93002, 101251, 126217, 135926, 138554, 202502, 252434, 261121, 484939, 522242, 708757, 883519, 969878, 1316263, 1417514, 1767038, 2632526, 3394573, 4961299, 6789146, 9213841, 9922598, 18427682, 64496887, 128993774]

約数ペア:

[(1, 128993774), (2, 64496887), (7, 18427682), (13, 9922598), (14, 9213841), (19, 6789146), (26, 4961299), (38, 3394573), (49, 2632526), (73, 1767038), (91, 1417514), (98, 1316263), (133, 969878), (146, 883519), (182, 708757), (247, 522242), (266, 484939), (494, 261121), (511, 252434), (637, 202502), (931, 138554), (949, 135926), (1022, 126217), (1274, 101251), (1387, 93002), (1729, 74606), (1862, 69277), (1898, 67963), (2774, 46501), (3458, 37303), (3577, 36062), (5329, 24206), (6643, 19418), (7154, 18031), (9709, 13286), (10658, 12103)]