64721754

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 156188736

約数和(自身を除く): 91466982

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 81, 102, 142, 153, 162, 213, 306, 331, 426, 459, 639, 662, 918, 993, 1207, 1278, 1377, 1917, 1986, 2414, 2754, 2979, 3621, 3834, 5627, 5751, 5958, 7242, 8937, 10863, 11254, 11502, 16881, 17874, 21726, 23501, 26811, 32589, 33762, 47002, 50643, 53622, 65178, 70503, 97767, 101286, 141006, 151929, 195534, 211509, 303858, 399517, 423018, 455787, 634527, 799034, 911574, 1198551, 1269054, 1903581, 2397102, 3595653, 3807162, 7191306, 10786959, 21573918, 32360877, 64721754]

約数ペア:

[(1, 64721754), (2, 32360877), (3, 21573918), (6, 10786959), (9, 7191306), (17, 3807162), (18, 3595653), (27, 2397102), (34, 1903581), (51, 1269054), (54, 1198551), (71, 911574), (81, 799034), (102, 634527), (142, 455787), (153, 423018), (162, 399517), (213, 303858), (306, 211509), (331, 195534), (426, 151929), (459, 141006), (639, 101286), (662, 97767), (918, 70503), (993, 65178), (1207, 53622), (1278, 50643), (1377, 47002), (1917, 33762), (1986, 32589), (2414, 26811), (2754, 23501), (2979, 21726), (3621, 17874), (3834, 16881), (5627, 11502), (5751, 11254), (5958, 10863), (7242, 8937)]