16940742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 46448640

約数和(自身を除く): 29507898

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 23, 26, 38, 39, 42, 46, 57, 69, 71, 78, 91, 114, 133, 138, 142, 161, 182, 213, 247, 266, 273, 299, 322, 399, 426, 437, 483, 494, 497, 546, 598, 741, 798, 874, 897, 923, 966, 994, 1311, 1349, 1482, 1491, 1633, 1729, 1794, 1846, 2093, 2622, 2698, 2769, 2982, 3059, 3266, 3458, 4047, 4186, 4899, 5187, 5538, 5681, 6118, 6279, 6461, 8094, 9177, 9443, 9798, 10374, 11362, 11431, 12558, 12922, 17043, 17537, 18354, 18886, 19383, 21229, 22862, 28329, 31027, 34086, 34293, 35074, 38766, 39767, 42458, 52611, 56658, 62054, 63687, 68586, 79534, 93081, 105222, 119301, 122759, 127374, 148603, 186162, 217189, 238602, 245518, 297206, 368277, 403351, 434378, 445809, 651567, 736554, 806702, 891618, 1210053, 1303134, 2420106, 2823457, 5646914, 8470371, 16940742]

約数ペア:

[(1, 16940742), (2, 8470371), (3, 5646914), (6, 2823457), (7, 2420106), (13, 1303134), (14, 1210053), (19, 891618), (21, 806702), (23, 736554), (26, 651567), (38, 445809), (39, 434378), (42, 403351), (46, 368277), (57, 297206), (69, 245518), (71, 238602), (78, 217189), (91, 186162), (114, 148603), (133, 127374), (138, 122759), (142, 119301), (161, 105222), (182, 93081), (213, 79534), (247, 68586), (266, 63687), (273, 62054), (299, 56658), (322, 52611), (399, 42458), (426, 39767), (437, 38766), (483, 35074), (494, 34293), (497, 34086), (546, 31027), (598, 28329), (741, 22862), (798, 21229), (874, 19383), (897, 18886), (923, 18354), (966, 17537), (994, 17043), (1311, 12922), (1349, 12558), (1482, 11431), (1491, 11362), (1633, 10374), (1729, 9798), (1794, 9443), (1846, 9177), (2093, 8094), (2622, 6461), (2698, 6279), (2769, 6118), (2982, 5681), (3059, 5538), (3266, 5187), (3458, 4899), (4047, 4186)]