255506706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^4\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 120

約数和(自身を含む): 695058624

約数和(自身を除く): 439551918

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 71, 78, 91, 117, 126, 142, 169, 182, 213, 234, 273, 338, 426, 497, 507, 546, 639, 819, 923, 994, 1014, 1183, 1278, 1491, 1521, 1638, 1846, 2197, 2366, 2769, 2982, 3042, 3549, 4394, 4473, 5538, 6461, 6591, 7098, 8307, 8946, 10647, 11999, 12922, 13182, 15379, 16614, 19383, 19773, 21294, 23998, 28561, 30758, 35997, 38766, 39546, 46137, 57122, 58149, 71994, 83993, 85683, 92274, 107991, 116298, 138411, 155987, 167986, 171366, 199927, 215982, 251979, 257049, 276822, 311974, 399854, 467961, 503958, 514098, 599781, 755937, 935922, 1091909, 1199562, 1403883, 1511874, 1799343, 2027831, 2183818, 2807766, 3275727, 3598686, 4055662, 6083493, 6551454, 9827181, 12166986, 14194817, 18250479, 19654362, 28389634, 36500958, 42584451, 85168902, 127753353, 255506706]

約数ペア:

[(1, 255506706), (2, 127753353), (3, 85168902), (6, 42584451), (7, 36500958), (9, 28389634), (13, 19654362), (14, 18250479), (18, 14194817), (21, 12166986), (26, 9827181), (39, 6551454), (42, 6083493), (63, 4055662), (71, 3598686), (78, 3275727), (91, 2807766), (117, 2183818), (126, 2027831), (142, 1799343), (169, 1511874), (182, 1403883), (213, 1199562), (234, 1091909), (273, 935922), (338, 755937), (426, 599781), (497, 514098), (507, 503958), (546, 467961), (639, 399854), (819, 311974), (923, 276822), (994, 257049), (1014, 251979), (1183, 215982), (1278, 199927), (1491, 171366), (1521, 167986), (1638, 155987), (1846, 138411), (2197, 116298), (2366, 107991), (2769, 92274), (2982, 85683), (3042, 83993), (3549, 71994), (4394, 58149), (4473, 57122), (5538, 46137), (6461, 39546), (6591, 38766), (7098, 35997), (8307, 30758), (8946, 28561), (10647, 23998), (11999, 21294), (12922, 19773), (13182, 19383), (15379, 16614)]