389536868

素因数分解:

$2^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{2927}}^1$

素因数の和:3049

約数の個数: 48

約数和(自身を含む): 803443200

約数和(自身を除く): 413906332

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 343, 388, 679, 686, 1358, 1372, 2716, 2927, 4753, 5854, 9506, 11708, 19012, 20489, 33271, 40978, 66542, 81956, 133084, 143423, 283919, 286846, 567838, 573692, 1003961, 1135676, 1987433, 2007922, 3974866, 4015844, 7949732, 13912031, 27824062, 55648124, 97384217, 194768434, 389536868]

約数ペア:

[(1, 389536868), (2, 194768434), (4, 97384217), (7, 55648124), (14, 27824062), (28, 13912031), (49, 7949732), (97, 4015844), (98, 3974866), (194, 2007922), (196, 1987433), (343, 1135676), (388, 1003961), (679, 573692), (686, 567838), (1358, 286846), (1372, 283919), (2716, 143423), (2927, 133084), (4753, 81956), (5854, 66542), (9506, 40978), (11708, 33271), (19012, 20489)]