211434678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2579

約数の個数: 128

約数和(自身を含む): 612541440

約数和(自身を除く): 401106762

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 273, 306, 351, 357, 378, 442, 459, 546, 663, 702, 714, 819, 918, 1071, 1326, 1547, 1638, 1989, 2142, 2457, 2531, 3094, 3213, 3978, 4641, 4914, 5062, 5967, 6426, 7593, 9282, 11934, 13923, 15186, 17717, 22779, 27846, 32903, 35434, 41769, 43027, 45558, 53151, 65806, 68337, 83538, 86054, 98709, 106302, 129081, 136674, 159453, 197418, 230321, 258162, 296127, 301189, 318906, 387243, 460642, 478359, 559351, 592254, 602378, 690963, 774486, 888381, 903567, 956718, 1118702, 1161729, 1381926, 1678053, 1776762, 1807134, 2072889, 2323458, 2710701, 3356106, 3915457, 4145778, 5034159, 5421402, 6218667, 7830914, 8132103, 10068318, 11746371, 12437334, 15102477, 16264206, 23492742, 30204954, 35239113, 70478226, 105717339, 211434678]

約数ペア:

[(1, 211434678), (2, 105717339), (3, 70478226), (6, 35239113), (7, 30204954), (9, 23492742), (13, 16264206), (14, 15102477), (17, 12437334), (18, 11746371), (21, 10068318), (26, 8132103), (27, 7830914), (34, 6218667), (39, 5421402), (42, 5034159), (51, 4145778), (54, 3915457), (63, 3356106), (78, 2710701), (91, 2323458), (102, 2072889), (117, 1807134), (119, 1776762), (126, 1678053), (153, 1381926), (182, 1161729), (189, 1118702), (221, 956718), (234, 903567), (238, 888381), (273, 774486), (306, 690963), (351, 602378), (357, 592254), (378, 559351), (442, 478359), (459, 460642), (546, 387243), (663, 318906), (702, 301189), (714, 296127), (819, 258162), (918, 230321), (1071, 197418), (1326, 159453), (1547, 136674), (1638, 129081), (1989, 106302), (2142, 98709), (2457, 86054), (2531, 83538), (3094, 68337), (3213, 65806), (3978, 53151), (4641, 45558), (4914, 43027), (5062, 41769), (5967, 35434), (6426, 32903), (7593, 27846), (9282, 22779), (11934, 17717), (13923, 15186)]