278840086

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 567336960

約数和(自身を除く): 288496874

約数列:

[1, 2, 7, 14, 17, 19, 23, 34, 38, 46, 49, 98, 119, 133, 161, 238, 266, 322, 323, 383, 391, 437, 646, 766, 782, 833, 874, 931, 1127, 1666, 1862, 2254, 2261, 2681, 2737, 3059, 4522, 5362, 5474, 6118, 6511, 7277, 7429, 8809, 13022, 14554, 14858, 15827, 17618, 18767, 19159, 21413, 31654, 37534, 38318, 42826, 45577, 50939, 52003, 61663, 91154, 101878, 104006, 123326, 123709, 149753, 167371, 247418, 299506, 319039, 334742, 356573, 364021, 431641, 638078, 713146, 728042, 863282, 865963, 1048271, 1171597, 1731926, 2096542, 2343194, 2845307, 5690614, 6061741, 7337897, 8201179, 12123482, 14675794, 16402358, 19917149, 39834298, 139420043, 278840086]

約数ペア:

[(1, 278840086), (2, 139420043), (7, 39834298), (14, 19917149), (17, 16402358), (19, 14675794), (23, 12123482), (34, 8201179), (38, 7337897), (46, 6061741), (49, 5690614), (98, 2845307), (119, 2343194), (133, 2096542), (161, 1731926), (238, 1171597), (266, 1048271), (322, 865963), (323, 863282), (383, 728042), (391, 713146), (437, 638078), (646, 431641), (766, 364021), (782, 356573), (833, 334742), (874, 319039), (931, 299506), (1127, 247418), (1666, 167371), (1862, 149753), (2254, 123709), (2261, 123326), (2681, 104006), (2737, 101878), (3059, 91154), (4522, 61663), (5362, 52003), (5474, 50939), (6118, 45577), (6511, 42826), (7277, 38318), (7429, 37534), (8809, 31654), (13022, 21413), (14554, 19159), (14858, 18767), (15827, 17618)]