2558556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 8805888

約数和(自身を除く): 6247332

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 71, 77, 78, 84, 91, 99, 117, 126, 132, 142, 143, 154, 156, 182, 198, 213, 231, 234, 252, 273, 284, 286, 308, 364, 396, 426, 429, 462, 468, 497, 546, 572, 639, 693, 781, 819, 852, 858, 923, 924, 994, 1001, 1092, 1278, 1287, 1386, 1491, 1562, 1638, 1716, 1846, 1988, 2002, 2343, 2556, 2574, 2769, 2772, 2982, 3003, 3124, 3276, 3692, 4004, 4473, 4686, 5148, 5467, 5538, 5964, 6006, 6461, 7029, 8307, 8946, 9009, 9372, 10153, 10934, 11076, 12012, 12922, 14058, 16401, 16614, 17892, 18018, 19383, 20306, 21868, 25844, 28116, 30459, 32802, 33228, 36036, 38766, 40612, 49203, 58149, 60918, 65604, 71071, 77532, 91377, 98406, 116298, 121836, 142142, 182754, 196812, 213213, 232596, 284284, 365508, 426426, 639639, 852852, 1279278, 2558556]

約数ペア:

[(1, 2558556), (2, 1279278), (3, 852852), (4, 639639), (6, 426426), (7, 365508), (9, 284284), (11, 232596), (12, 213213), (13, 196812), (14, 182754), (18, 142142), (21, 121836), (22, 116298), (26, 98406), (28, 91377), (33, 77532), (36, 71071), (39, 65604), (42, 60918), (44, 58149), (52, 49203), (63, 40612), (66, 38766), (71, 36036), (77, 33228), (78, 32802), (84, 30459), (91, 28116), (99, 25844), (117, 21868), (126, 20306), (132, 19383), (142, 18018), (143, 17892), (154, 16614), (156, 16401), (182, 14058), (198, 12922), (213, 12012), (231, 11076), (234, 10934), (252, 10153), (273, 9372), (284, 9009), (286, 8946), (308, 8307), (364, 7029), (396, 6461), (426, 6006), (429, 5964), (462, 5538), (468, 5467), (497, 5148), (546, 4686), (572, 4473), (639, 4004), (693, 3692), (781, 3276), (819, 3124), (852, 3003), (858, 2982), (923, 2772), (924, 2769), (994, 2574), (1001, 2556), (1092, 2343), (1278, 2002), (1287, 1988), (1386, 1846), (1491, 1716), (1562, 1638)]