81982488

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 128

約数和(自身を含む): 249984000

約数和(自身を除く): 168001512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 138, 147, 161, 168, 184, 196, 276, 294, 322, 343, 392, 433, 483, 552, 588, 644, 686, 866, 966, 1029, 1127, 1176, 1288, 1299, 1372, 1732, 1932, 2058, 2254, 2598, 2744, 3031, 3381, 3464, 3864, 4116, 4508, 5196, 6062, 6762, 7889, 8232, 9016, 9093, 9959, 10392, 12124, 13524, 15778, 18186, 19918, 21217, 23667, 24248, 27048, 29877, 31556, 36372, 39836, 42434, 47334, 59754, 63112, 63651, 69713, 72744, 79672, 84868, 94668, 119508, 127302, 139426, 148519, 169736, 189336, 209139, 239016, 254604, 278852, 297038, 418278, 445557, 487991, 509208, 557704, 594076, 836556, 891114, 975982, 1188152, 1463973, 1673112, 1782228, 1951964, 2927946, 3415937, 3564456, 3903928, 5855892, 6831874, 10247811, 11711784, 13663748, 20495622, 27327496, 40991244, 81982488]

約数ペア:

[(1, 81982488), (2, 40991244), (3, 27327496), (4, 20495622), (6, 13663748), (7, 11711784), (8, 10247811), (12, 6831874), (14, 5855892), (21, 3903928), (23, 3564456), (24, 3415937), (28, 2927946), (42, 1951964), (46, 1782228), (49, 1673112), (56, 1463973), (69, 1188152), (84, 975982), (92, 891114), (98, 836556), (138, 594076), (147, 557704), (161, 509208), (168, 487991), (184, 445557), (196, 418278), (276, 297038), (294, 278852), (322, 254604), (343, 239016), (392, 209139), (433, 189336), (483, 169736), (552, 148519), (588, 139426), (644, 127302), (686, 119508), (866, 94668), (966, 84868), (1029, 79672), (1127, 72744), (1176, 69713), (1288, 63651), (1299, 63112), (1372, 59754), (1732, 47334), (1932, 42434), (2058, 39836), (2254, 36372), (2598, 31556), (2744, 29877), (3031, 27048), (3381, 24248), (3464, 23667), (3864, 21217), (4116, 19918), (4508, 18186), (5196, 15778), (6062, 13524), (6762, 12124), (7889, 10392), (8232, 9959), (9016, 9093)]