1880453939

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 2461536000

約数和(自身を除く): 581082061

約数列:

[1, 7, 13, 49, 53, 73, 91, 109, 343, 371, 511, 637, 689, 763, 949, 1417, 2597, 3577, 3869, 4459, 4823, 5341, 5777, 6643, 7957, 9919, 18179, 25039, 27083, 33761, 37387, 40439, 46501, 50297, 55699, 69433, 75101, 103441, 189581, 236327, 283073, 325507, 352079, 389893, 421721, 486031, 525707, 724087, 1327067, 1981511, 2464553, 2729251, 2952047, 3679949, 5068609, 5482373, 17251871, 20664329, 25759643, 35480263, 38376611, 144650303, 268636277, 1880453939]

約数ペア:

[(1, 1880453939), (7, 268636277), (13, 144650303), (49, 38376611), (53, 35480263), (73, 25759643), (91, 20664329), (109, 17251871), (343, 5482373), (371, 5068609), (511, 3679949), (637, 2952047), (689, 2729251), (763, 2464553), (949, 1981511), (1417, 1327067), (2597, 724087), (3577, 525707), (3869, 486031), (4459, 421721), (4823, 389893), (5341, 352079), (5777, 325507), (6643, 283073), (7957, 236327), (9919, 189581), (18179, 103441), (25039, 75101), (27083, 69433), (33761, 55699), (37387, 50297), (40439, 46501)]