28260414

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 79349760

約数和(自身を除く): 51089346

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 71, 78, 81, 91, 117, 126, 142, 162, 182, 189, 213, 234, 243, 273, 351, 378, 426, 486, 497, 546, 567, 639, 702, 729, 819, 923, 994, 1053, 1134, 1278, 1458, 1491, 1638, 1701, 1846, 1917, 2106, 2187, 2457, 2769, 2982, 3159, 3402, 3834, 4374, 4473, 4914, 5103, 5538, 5751, 6318, 6461, 7371, 8307, 8946, 9477, 10206, 11502, 12922, 13419, 14742, 15309, 16614, 17253, 18954, 19383, 22113, 24921, 26838, 28431, 30618, 34506, 38766, 40257, 44226, 49842, 51759, 56862, 58149, 66339, 74763, 80514, 103518, 116298, 120771, 132678, 149526, 155277, 174447, 199017, 224289, 241542, 310554, 348894, 362313, 398034, 448578, 523341, 672867, 724626, 1046682, 1086939, 1345734, 1570023, 2018601, 2173878, 3140046, 4037202, 4710069, 9420138, 14130207, 28260414]

約数ペア:

[(1, 28260414), (2, 14130207), (3, 9420138), (6, 4710069), (7, 4037202), (9, 3140046), (13, 2173878), (14, 2018601), (18, 1570023), (21, 1345734), (26, 1086939), (27, 1046682), (39, 724626), (42, 672867), (54, 523341), (63, 448578), (71, 398034), (78, 362313), (81, 348894), (91, 310554), (117, 241542), (126, 224289), (142, 199017), (162, 174447), (182, 155277), (189, 149526), (213, 132678), (234, 120771), (243, 116298), (273, 103518), (351, 80514), (378, 74763), (426, 66339), (486, 58149), (497, 56862), (546, 51759), (567, 49842), (639, 44226), (702, 40257), (729, 38766), (819, 34506), (923, 30618), (994, 28431), (1053, 26838), (1134, 24921), (1278, 22113), (1458, 19383), (1491, 18954), (1638, 17253), (1701, 16614), (1846, 15309), (1917, 14742), (2106, 13419), (2187, 12922), (2457, 11502), (2769, 10206), (2982, 9477), (3159, 8946), (3402, 8307), (3834, 7371), (4374, 6461), (4473, 6318), (4914, 5751), (5103, 5538)]