1971834488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:817

約数の個数: 128

約数和(自身を含む): 4436752320

約数和(自身を除く): 2464917832

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 43, 52, 68, 74, 86, 104, 136, 148, 172, 221, 296, 344, 442, 481, 559, 629, 701, 731, 884, 962, 1118, 1258, 1402, 1462, 1591, 1768, 1924, 2236, 2516, 2804, 2924, 3182, 3848, 4472, 5032, 5608, 5848, 6364, 8177, 9113, 9503, 11917, 12728, 16354, 18226, 19006, 20683, 23834, 25937, 27047, 30143, 32708, 36452, 38012, 41366, 47668, 51874, 54094, 60286, 65416, 72904, 76024, 82732, 95336, 103748, 108188, 120572, 154921, 165464, 207496, 216376, 241144, 309842, 337181, 351611, 391859, 440929, 512431, 619684, 674362, 703222, 783718, 881858, 1024862, 1115291, 1239368, 1348724, 1406444, 1567436, 1763716, 2049724, 2230582, 2697448, 2812888, 3134872, 3527432, 4099448, 4461164, 5732077, 6661603, 8922328, 11464154, 13323206, 14498783, 18959947, 22928308, 26646412, 28997566, 37919894, 45856616, 53292824, 57995132, 75839788, 115990264, 151679576, 246479311, 492958622, 985917244, 1971834488]

約数ペア:

[(1, 1971834488), (2, 985917244), (4, 492958622), (8, 246479311), (13, 151679576), (17, 115990264), (26, 75839788), (34, 57995132), (37, 53292824), (43, 45856616), (52, 37919894), (68, 28997566), (74, 26646412), (86, 22928308), (104, 18959947), (136, 14498783), (148, 13323206), (172, 11464154), (221, 8922328), (296, 6661603), (344, 5732077), (442, 4461164), (481, 4099448), (559, 3527432), (629, 3134872), (701, 2812888), (731, 2697448), (884, 2230582), (962, 2049724), (1118, 1763716), (1258, 1567436), (1402, 1406444), (1462, 1348724), (1591, 1239368), (1768, 1115291), (1924, 1024862), (2236, 881858), (2516, 783718), (2804, 703222), (2924, 674362), (3182, 619684), (3848, 512431), (4472, 440929), (5032, 391859), (5608, 351611), (5848, 337181), (6364, 309842), (8177, 241144), (9113, 216376), (9503, 207496), (11917, 165464), (12728, 154921), (16354, 120572), (18226, 108188), (19006, 103748), (20683, 95336), (23834, 82732), (25937, 76024), (27047, 72904), (30143, 65416), (32708, 60286), (36452, 54094), (38012, 51874), (41366, 47668)]