255237136

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 655958016

約数和(自身を除く): 400720880

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 41, 44, 56, 62, 77, 82, 88, 112, 124, 154, 163, 164, 176, 217, 248, 287, 308, 326, 328, 341, 434, 451, 496, 574, 616, 652, 656, 682, 868, 902, 1141, 1148, 1232, 1271, 1304, 1364, 1736, 1793, 1804, 2282, 2296, 2387, 2542, 2608, 2728, 3157, 3472, 3586, 3608, 4564, 4592, 4774, 5053, 5084, 5456, 6314, 6683, 7172, 7216, 8897, 9128, 9548, 10106, 10168, 12551, 12628, 13366, 13981, 14344, 17794, 18256, 19096, 20212, 20336, 25102, 25256, 26732, 27962, 28688, 35371, 35588, 38192, 40424, 46781, 50204, 50512, 53464, 55583, 55924, 70742, 71176, 73513, 80848, 93562, 97867, 100408, 106928, 111166, 111848, 141484, 142352, 147026, 187124, 195734, 200816, 207173, 222332, 223696, 282968, 294052, 374248, 389081, 391468, 414346, 444664, 514591, 565936, 588104, 748496, 778162, 782936, 828692, 889328, 1029182, 1176208, 1450211, 1556324, 1565872, 1657384, 2058364, 2278903, 2900422, 3112648, 3314768, 4116728, 4557806, 5800844, 6225296, 8233456, 9115612, 11601688, 15952321, 18231224, 23203376, 31904642, 36462448, 63809284, 127618568, 255237136]

約数ペア:

[(1, 255237136), (2, 127618568), (4, 63809284), (7, 36462448), (8, 31904642), (11, 23203376), (14, 18231224), (16, 15952321), (22, 11601688), (28, 9115612), (31, 8233456), (41, 6225296), (44, 5800844), (56, 4557806), (62, 4116728), (77, 3314768), (82, 3112648), (88, 2900422), (112, 2278903), (124, 2058364), (154, 1657384), (163, 1565872), (164, 1556324), (176, 1450211), (217, 1176208), (248, 1029182), (287, 889328), (308, 828692), (326, 782936), (328, 778162), (341, 748496), (434, 588104), (451, 565936), (496, 514591), (574, 444664), (616, 414346), (652, 391468), (656, 389081), (682, 374248), (868, 294052), (902, 282968), (1141, 223696), (1148, 222332), (1232, 207173), (1271, 200816), (1304, 195734), (1364, 187124), (1736, 147026), (1793, 142352), (1804, 141484), (2282, 111848), (2296, 111166), (2387, 106928), (2542, 100408), (2608, 97867), (2728, 93562), (3157, 80848), (3472, 73513), (3586, 71176), (3608, 70742), (4564, 55924), (4592, 55583), (4774, 53464), (5053, 50512), (5084, 50204), (5456, 46781), (6314, 40424), (6683, 38192), (7172, 35588), (7216, 35371), (8897, 28688), (9128, 27962), (9548, 26732), (10106, 25256), (10168, 25102), (12551, 20336), (12628, 20212), (13366, 19096), (13981, 18256), (14344, 17794)]