2778902

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 5191680

約数和(自身を除く): 2412778

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 337, 434, 589, 674, 1178, 2359, 4123, 4718, 6403, 8246, 10447, 12806, 20894, 44821, 73129, 89642, 146258, 198493, 396986, 1389451, 2778902]

約数ペア:

[(1, 2778902), (2, 1389451), (7, 396986), (14, 198493), (19, 146258), (31, 89642), (38, 73129), (62, 44821), (133, 20894), (217, 12806), (266, 10447), (337, 8246), (434, 6403), (589, 4718), (674, 4123), (1178, 2359)]