213897768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 641310720

約数和(自身を除く): 427412952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 67, 84, 93, 124, 134, 168, 186, 201, 217, 248, 268, 372, 402, 434, 469, 536, 613, 651, 744, 804, 868, 938, 1226, 1302, 1407, 1608, 1736, 1839, 1876, 2077, 2452, 2604, 2814, 3678, 3752, 4154, 4291, 4904, 5208, 5628, 6231, 7356, 8308, 8582, 11256, 12462, 12873, 14539, 14712, 16616, 17164, 19003, 24924, 25746, 29078, 34328, 38006, 41071, 43617, 49848, 51492, 57009, 58156, 76012, 82142, 87234, 102984, 114018, 116312, 123213, 133021, 152024, 164284, 174468, 228036, 246426, 266042, 287497, 328568, 348936, 399063, 456072, 492852, 532084, 574994, 798126, 862491, 985704, 1064168, 1149988, 1273201, 1596252, 1724982, 2299976, 2546402, 3192504, 3449964, 3819603, 5092804, 6899928, 7639206, 8912407, 10185608, 15278412, 17824814, 26737221, 30556824, 35649628, 53474442, 71299256, 106948884, 213897768]

約数ペア:

[(1, 213897768), (2, 106948884), (3, 71299256), (4, 53474442), (6, 35649628), (7, 30556824), (8, 26737221), (12, 17824814), (14, 15278412), (21, 10185608), (24, 8912407), (28, 7639206), (31, 6899928), (42, 5092804), (56, 3819603), (62, 3449964), (67, 3192504), (84, 2546402), (93, 2299976), (124, 1724982), (134, 1596252), (168, 1273201), (186, 1149988), (201, 1064168), (217, 985704), (248, 862491), (268, 798126), (372, 574994), (402, 532084), (434, 492852), (469, 456072), (536, 399063), (613, 348936), (651, 328568), (744, 287497), (804, 266042), (868, 246426), (938, 228036), (1226, 174468), (1302, 164284), (1407, 152024), (1608, 133021), (1736, 123213), (1839, 116312), (1876, 114018), (2077, 102984), (2452, 87234), (2604, 82142), (2814, 76012), (3678, 58156), (3752, 57009), (4154, 51492), (4291, 49848), (4904, 43617), (5208, 41071), (5628, 38006), (6231, 34328), (7356, 29078), (8308, 25746), (8582, 24924), (11256, 19003), (12462, 17164), (12873, 16616), (14539, 14712)]