278328008

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{503}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 614718720

約数和(自身を除く): 336390712

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 241, 287, 328, 482, 503, 574, 964, 1006, 1148, 1687, 1928, 2012, 2296, 3374, 3521, 4024, 6748, 7042, 9881, 13496, 14084, 19762, 20623, 28168, 39524, 41246, 69167, 79048, 82492, 121223, 138334, 144361, 164984, 242446, 276668, 288722, 484892, 553336, 577444, 848561, 969784, 1154888, 1697122, 3394244, 4970143, 6788488, 9940286, 19880572, 34791001, 39761144, 69582002, 139164004, 278328008]

約数ペア:

[(1, 278328008), (2, 139164004), (4, 69582002), (7, 39761144), (8, 34791001), (14, 19880572), (28, 9940286), (41, 6788488), (56, 4970143), (82, 3394244), (164, 1697122), (241, 1154888), (287, 969784), (328, 848561), (482, 577444), (503, 553336), (574, 484892), (964, 288722), (1006, 276668), (1148, 242446), (1687, 164984), (1928, 144361), (2012, 138334), (2296, 121223), (3374, 82492), (3521, 79048), (4024, 69167), (6748, 41246), (7042, 39524), (9881, 28168), (13496, 20623), (14084, 19762)]