261610648

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 569203200

約数和(自身を除く): 307592552

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 47, 52, 92, 94, 104, 169, 179, 184, 188, 299, 338, 358, 376, 598, 611, 676, 716, 1081, 1196, 1222, 1352, 1432, 2162, 2327, 2392, 2444, 3887, 4117, 4324, 4654, 4888, 7774, 7943, 8234, 8413, 8648, 9308, 14053, 15548, 15886, 16468, 16826, 18616, 28106, 30251, 31096, 31772, 32936, 33652, 53521, 56212, 60502, 63544, 67304, 107042, 109369, 112424, 121004, 182689, 193499, 214084, 218738, 242008, 365378, 386998, 428168, 437476, 695773, 730756, 773996, 874952, 1391546, 1421797, 1461512, 1547992, 2515487, 2783092, 2843594, 5030974, 5566184, 5687188, 10061948, 11374376, 20123896, 32701331, 65402662, 130805324, 261610648]

約数ペア:

[(1, 261610648), (2, 130805324), (4, 65402662), (8, 32701331), (13, 20123896), (23, 11374376), (26, 10061948), (46, 5687188), (47, 5566184), (52, 5030974), (92, 2843594), (94, 2783092), (104, 2515487), (169, 1547992), (179, 1461512), (184, 1421797), (188, 1391546), (299, 874952), (338, 773996), (358, 730756), (376, 695773), (598, 437476), (611, 428168), (676, 386998), (716, 365378), (1081, 242008), (1196, 218738), (1222, 214084), (1352, 193499), (1432, 182689), (2162, 121004), (2327, 112424), (2392, 109369), (2444, 107042), (3887, 67304), (4117, 63544), (4324, 60502), (4654, 56212), (4888, 53521), (7774, 33652), (7943, 32936), (8234, 31772), (8413, 31096), (8648, 30251), (9308, 28106), (14053, 18616), (15548, 16826), (15886, 16468)]