257287368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2447}}^1$

素因数の和:2806

約数の個数: 64

約数和(自身を含む): 695036160

約数和(自身を除く): 437748792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 337, 674, 1011, 1348, 2022, 2447, 2696, 4044, 4381, 4894, 7341, 8088, 8762, 9788, 13143, 14682, 17524, 19576, 26286, 29364, 31811, 35048, 52572, 58728, 63622, 95433, 105144, 127244, 190866, 254488, 381732, 763464, 824639, 1649278, 2473917, 3298556, 4947834, 6597112, 9895668, 10720307, 19791336, 21440614, 32160921, 42881228, 64321842, 85762456, 128643684, 257287368]

約数ペア:

[(1, 257287368), (2, 128643684), (3, 85762456), (4, 64321842), (6, 42881228), (8, 32160921), (12, 21440614), (13, 19791336), (24, 10720307), (26, 9895668), (39, 6597112), (52, 4947834), (78, 3298556), (104, 2473917), (156, 1649278), (312, 824639), (337, 763464), (674, 381732), (1011, 254488), (1348, 190866), (2022, 127244), (2447, 105144), (2696, 95433), (4044, 63622), (4381, 58728), (4894, 52572), (7341, 35048), (8088, 31811), (8762, 29364), (9788, 26286), (13143, 19576), (14682, 17524)]