286647452

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 686407680

約数和(自身を除く): 399760228

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 49, 52, 62, 76, 91, 98, 124, 133, 182, 191, 196, 217, 247, 266, 364, 382, 403, 434, 494, 532, 589, 637, 764, 806, 868, 931, 988, 1178, 1274, 1337, 1519, 1612, 1729, 1862, 2356, 2483, 2548, 2674, 2821, 3038, 3458, 3629, 3724, 4123, 4966, 5348, 5642, 5921, 6076, 6916, 7258, 7657, 8246, 9359, 9932, 11284, 11842, 12103, 14516, 15314, 16492, 17381, 18718, 19747, 23684, 24206, 25403, 28861, 30628, 34762, 37436, 39494, 41447, 47177, 48412, 50806, 53599, 57722, 69524, 76973, 78988, 82894, 94354, 101612, 107198, 112499, 115444, 121667, 153946, 165788, 177821, 188708, 214396, 224998, 243334, 290129, 307892, 330239, 355642, 375193, 449996, 486668, 538811, 580258, 660478, 711284, 750386, 787493, 1077622, 1160516, 1320956, 1462487, 1500772, 1574986, 2155244, 2311673, 2924974, 3149972, 3771677, 4623346, 5512451, 5849948, 7543354, 9246692, 10237409, 11024902, 15086708, 20474818, 22049804, 40949636, 71661863, 143323726, 286647452]

約数ペア:

[(1, 286647452), (2, 143323726), (4, 71661863), (7, 40949636), (13, 22049804), (14, 20474818), (19, 15086708), (26, 11024902), (28, 10237409), (31, 9246692), (38, 7543354), (49, 5849948), (52, 5512451), (62, 4623346), (76, 3771677), (91, 3149972), (98, 2924974), (124, 2311673), (133, 2155244), (182, 1574986), (191, 1500772), (196, 1462487), (217, 1320956), (247, 1160516), (266, 1077622), (364, 787493), (382, 750386), (403, 711284), (434, 660478), (494, 580258), (532, 538811), (589, 486668), (637, 449996), (764, 375193), (806, 355642), (868, 330239), (931, 307892), (988, 290129), (1178, 243334), (1274, 224998), (1337, 214396), (1519, 188708), (1612, 177821), (1729, 165788), (1862, 153946), (2356, 121667), (2483, 115444), (2548, 112499), (2674, 107198), (2821, 101612), (3038, 94354), (3458, 82894), (3629, 78988), (3724, 76973), (4123, 69524), (4966, 57722), (5348, 53599), (5642, 50806), (5921, 48412), (6076, 47177), (6916, 41447), (7258, 39494), (7657, 37436), (8246, 34762), (9359, 30628), (9932, 28861), (11284, 25403), (11842, 24206), (12103, 23684), (14516, 19747), (15314, 18718), (16492, 17381)]