1261816976

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{662719}}^1$

素因数の和:662751

約数の個数: 40

約数和(自身を含む): 2958382080

約数和(自身を除く): 1696565104

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 662719, 1325438, 2650876, 4639033, 5301752, 9278066, 10603504, 11266223, 18556132, 22532446, 37112264, 45064892, 74224528, 78863561, 90129784, 157727122, 180259568, 315454244, 630908488, 1261816976]

約数ペア:

[(1, 1261816976), (2, 630908488), (4, 315454244), (7, 180259568), (8, 157727122), (14, 90129784), (16, 78863561), (17, 74224528), (28, 45064892), (34, 37112264), (56, 22532446), (68, 18556132), (112, 11266223), (119, 10603504), (136, 9278066), (238, 5301752), (272, 4639033), (476, 2650876), (952, 1325438), (1904, 662719)]