1999202288

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{6991}}^1$

素因数の和:7353

約数の個数: 40

約数和(自身を含む): 3950955456

約数和(自身を除く): 1951753168

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 293, 488, 586, 976, 1172, 2344, 4688, 6991, 13982, 17873, 27964, 35746, 55928, 71492, 111856, 142984, 285968, 426451, 852902, 1705804, 2048363, 3411608, 4096726, 6823216, 8193452, 16386904, 32773808, 124950143, 249900286, 499800572, 999601144, 1999202288]

約数ペア:

[(1, 1999202288), (2, 999601144), (4, 499800572), (8, 249900286), (16, 124950143), (61, 32773808), (122, 16386904), (244, 8193452), (293, 6823216), (488, 4096726), (586, 3411608), (976, 2048363), (1172, 1705804), (2344, 852902), (4688, 426451), (6991, 285968), (13982, 142984), (17873, 111856), (27964, 71492), (35746, 55928)]