257918712

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2287}}^1$

素因数の和:2460

約数の個数: 64

約数和(自身を含む): 667729920

約数和(自身を除く): 409811208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 127, 148, 222, 254, 296, 381, 444, 508, 762, 888, 1016, 1524, 2287, 3048, 4574, 4699, 6861, 9148, 9398, 13722, 14097, 18296, 18796, 27444, 28194, 37592, 54888, 56388, 84619, 112776, 169238, 253857, 290449, 338476, 507714, 580898, 676952, 871347, 1015428, 1161796, 1742694, 2030856, 2323592, 3485388, 6970776, 10746613, 21493226, 32239839, 42986452, 64479678, 85972904, 128959356, 257918712]

約数ペア:

[(1, 257918712), (2, 128959356), (3, 85972904), (4, 64479678), (6, 42986452), (8, 32239839), (12, 21493226), (24, 10746613), (37, 6970776), (74, 3485388), (111, 2323592), (127, 2030856), (148, 1742694), (222, 1161796), (254, 1015428), (296, 871347), (381, 676952), (444, 580898), (508, 507714), (762, 338476), (888, 290449), (1016, 253857), (1524, 169238), (2287, 112776), (3048, 84619), (4574, 56388), (4699, 54888), (6861, 37592), (9148, 28194), (9398, 27444), (13722, 18796), (14097, 18296)]