25180036

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 51982336

約数和(自身を除く): 26802300

約数列:

[1, 2, 4, 7, 14, 28, 73, 97, 127, 146, 194, 254, 292, 388, 508, 511, 679, 889, 1022, 1358, 1778, 2044, 2716, 3556, 7081, 9271, 12319, 14162, 18542, 24638, 28324, 37084, 49276, 49567, 64897, 86233, 99134, 129794, 172466, 198268, 259588, 344932, 899287, 1798574, 3597148, 6295009, 12590018, 25180036]

約数ペア:

[(1, 25180036), (2, 12590018), (4, 6295009), (7, 3597148), (14, 1798574), (28, 899287), (73, 344932), (97, 259588), (127, 198268), (146, 172466), (194, 129794), (254, 99134), (292, 86233), (388, 64897), (508, 49567), (511, 49276), (679, 37084), (889, 28324), (1022, 24638), (1358, 18542), (1778, 14162), (2044, 12319), (2716, 9271), (3556, 7081)]