25455976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 34217624

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 182, 292, 364, 479, 511, 584, 728, 949, 958, 1022, 1898, 1916, 2044, 3353, 3796, 3832, 4088, 6227, 6643, 6706, 7592, 12454, 13286, 13412, 24908, 26572, 26824, 34967, 43589, 49816, 53144, 69934, 87178, 139868, 174356, 244769, 279736, 348712, 454571, 489538, 909142, 979076, 1818284, 1958152, 3181997, 3636568, 6363994, 12727988, 25455976]

約数ペア:

[(1, 25455976), (2, 12727988), (4, 6363994), (7, 3636568), (8, 3181997), (13, 1958152), (14, 1818284), (26, 979076), (28, 909142), (52, 489538), (56, 454571), (73, 348712), (91, 279736), (104, 244769), (146, 174356), (182, 139868), (292, 87178), (364, 69934), (479, 53144), (511, 49816), (584, 43589), (728, 34967), (949, 26824), (958, 26572), (1022, 24908), (1898, 13412), (1916, 13286), (2044, 12454), (3353, 7592), (3796, 6706), (3832, 6643), (4088, 6227)]