639679392

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{201919}}^1$

素因数の和:201946

約数の個数: 72

約数和(自身を含む): 1984469760

約数和(自身を除く): 1344790368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 201919, 403838, 605757, 807676, 1211514, 1615352, 1817271, 2221109, 2423028, 3230704, 3634542, 4442218, 4846056, 6461408, 6663327, 7269084, 8884436, 9692112, 13326654, 14538168, 17768872, 19384224, 19989981, 26653308, 29076336, 35537744, 39979962, 53306616, 58152672, 71075488, 79959924, 106613232, 159919848, 213226464, 319839696, 639679392]

約数ペア:

[(1, 639679392), (2, 319839696), (3, 213226464), (4, 159919848), (6, 106613232), (8, 79959924), (9, 71075488), (11, 58152672), (12, 53306616), (16, 39979962), (18, 35537744), (22, 29076336), (24, 26653308), (32, 19989981), (33, 19384224), (36, 17768872), (44, 14538168), (48, 13326654), (66, 9692112), (72, 8884436), (88, 7269084), (96, 6663327), (99, 6461408), (132, 4846056), (144, 4442218), (176, 3634542), (198, 3230704), (264, 2423028), (288, 2221109), (352, 1817271), (396, 1615352), (528, 1211514), (792, 807676), (1056, 605757), (1584, 403838), (3168, 201919)]