276279458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 524590080

約数和(自身を除く): 248310622

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 139, 163, 182, 278, 326, 469, 871, 938, 973, 1141, 1742, 1807, 1946, 2119, 2282, 3614, 4238, 6097, 9313, 10921, 12194, 12649, 14833, 18626, 21842, 22657, 25298, 29666, 45314, 65191, 76447, 121069, 130382, 141973, 152894, 158599, 242138, 283946, 294541, 317198, 589082, 847483, 993811, 1518019, 1694966, 1987622, 2061787, 3036038, 4123574, 10626133, 19734247, 21252266, 39468494, 138139729, 276279458]

約数ペア:

[(1, 276279458), (2, 138139729), (7, 39468494), (13, 21252266), (14, 19734247), (26, 10626133), (67, 4123574), (91, 3036038), (134, 2061787), (139, 1987622), (163, 1694966), (182, 1518019), (278, 993811), (326, 847483), (469, 589082), (871, 317198), (938, 294541), (973, 283946), (1141, 242138), (1742, 158599), (1807, 152894), (1946, 141973), (2119, 130382), (2282, 121069), (3614, 76447), (4238, 65191), (6097, 45314), (9313, 29666), (10921, 25298), (12194, 22657), (12649, 21842), (14833, 18626)]