665121864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1331

約数の個数: 128

約数和(自身を含む): 1901998080

約数和(自身を除く): 1236876216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 67, 88, 93, 124, 132, 134, 186, 201, 248, 264, 268, 341, 372, 402, 536, 682, 737, 744, 804, 1023, 1213, 1364, 1474, 1608, 2046, 2077, 2211, 2426, 2728, 2948, 3639, 4092, 4154, 4422, 4852, 5896, 6231, 7278, 8184, 8308, 8844, 9704, 12462, 13343, 14556, 16616, 17688, 22847, 24924, 26686, 29112, 37603, 40029, 45694, 49848, 53372, 68541, 75206, 80058, 81271, 91388, 106744, 112809, 137082, 150412, 160116, 162542, 182776, 225618, 243813, 274164, 300824, 320232, 325084, 413633, 451236, 487626, 548328, 650168, 827266, 893981, 902472, 975252, 1240899, 1654532, 1787962, 1950504, 2481798, 2519401, 2681943, 3309064, 3575924, 4963596, 5038802, 5363886, 7151848, 7558203, 9927192, 10077604, 10727772, 15116406, 20155208, 21455544, 27713411, 30232812, 55426822, 60465624, 83140233, 110853644, 166280466, 221707288, 332560932, 665121864]

約数ペア:

[(1, 665121864), (2, 332560932), (3, 221707288), (4, 166280466), (6, 110853644), (8, 83140233), (11, 60465624), (12, 55426822), (22, 30232812), (24, 27713411), (31, 21455544), (33, 20155208), (44, 15116406), (62, 10727772), (66, 10077604), (67, 9927192), (88, 7558203), (93, 7151848), (124, 5363886), (132, 5038802), (134, 4963596), (186, 3575924), (201, 3309064), (248, 2681943), (264, 2519401), (268, 2481798), (341, 1950504), (372, 1787962), (402, 1654532), (536, 1240899), (682, 975252), (737, 902472), (744, 893981), (804, 827266), (1023, 650168), (1213, 548328), (1364, 487626), (1474, 451236), (1608, 413633), (2046, 325084), (2077, 320232), (2211, 300824), (2426, 274164), (2728, 243813), (2948, 225618), (3639, 182776), (4092, 162542), (4154, 160116), (4422, 150412), (4852, 137082), (5896, 112809), (6231, 106744), (7278, 91388), (8184, 81271), (8308, 80058), (8844, 75206), (9704, 68541), (12462, 53372), (13343, 49848), (14556, 45694), (16616, 40029), (17688, 37603), (22847, 29112), (24924, 26686)]