168564656

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 396202320

約数和(自身を除く): 227637664

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 169, 193, 208, 221, 247, 272, 304, 323, 338, 386, 442, 494, 646, 676, 772, 884, 988, 1292, 1352, 1544, 1768, 1976, 2509, 2584, 2704, 2873, 3088, 3211, 3281, 3536, 3667, 3952, 4199, 5018, 5168, 5746, 6422, 6562, 7334, 8398, 10036, 11492, 12844, 13124, 14668, 16796, 20072, 22984, 25688, 26248, 29336, 32617, 33592, 40144, 42653, 45968, 47671, 51376, 52496, 54587, 58672, 62339, 65234, 67184, 85306, 95342, 109174, 124678, 130468, 170612, 190684, 218348, 249356, 260936, 341224, 381368, 436696, 498712, 521872, 554489, 619723, 682448, 762736, 810407, 873392, 997424, 1108978, 1239446, 1620814, 2217956, 2478892, 3241628, 4435912, 4957784, 6483256, 8871824, 9915568, 10535291, 12966512, 21070582, 42141164, 84282328, 168564656]

約数ペア:

[(1, 168564656), (2, 84282328), (4, 42141164), (8, 21070582), (13, 12966512), (16, 10535291), (17, 9915568), (19, 8871824), (26, 6483256), (34, 4957784), (38, 4435912), (52, 3241628), (68, 2478892), (76, 2217956), (104, 1620814), (136, 1239446), (152, 1108978), (169, 997424), (193, 873392), (208, 810407), (221, 762736), (247, 682448), (272, 619723), (304, 554489), (323, 521872), (338, 498712), (386, 436696), (442, 381368), (494, 341224), (646, 260936), (676, 249356), (772, 218348), (884, 190684), (988, 170612), (1292, 130468), (1352, 124678), (1544, 109174), (1768, 95342), (1976, 85306), (2509, 67184), (2584, 65234), (2704, 62339), (2873, 58672), (3088, 54587), (3211, 52496), (3281, 51376), (3536, 47671), (3667, 45968), (3952, 42653), (4199, 40144), (5018, 33592), (5168, 32617), (5746, 29336), (6422, 26248), (6562, 25688), (7334, 22984), (8398, 20072), (10036, 16796), (11492, 14668), (12844, 13124)]