254415616

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 638251264

約数和(自身を除く): 383835648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 67, 91, 104, 112, 128, 134, 163, 182, 208, 224, 256, 268, 326, 364, 416, 448, 469, 536, 652, 728, 832, 871, 896, 938, 1072, 1141, 1304, 1456, 1664, 1742, 1792, 1876, 2119, 2144, 2282, 2608, 2912, 3328, 3484, 3752, 4238, 4288, 4564, 5216, 5824, 6097, 6968, 7504, 8476, 8576, 9128, 10432, 10921, 11648, 12194, 13936, 14833, 15008, 16952, 17152, 18256, 20864, 21842, 23296, 24388, 27872, 29666, 30016, 33904, 36512, 41728, 43684, 48776, 55744, 59332, 60032, 67808, 73024, 76447, 87368, 97552, 111488, 118664, 120064, 135616, 141973, 146048, 152894, 174736, 195104, 222976, 237328, 271232, 283946, 292096, 305788, 349472, 390208, 474656, 542464, 567892, 611576, 698944, 780416, 949312, 993811, 1135784, 1223152, 1397888, 1560832, 1898624, 1987622, 2271568, 2446304, 2795776, 3797248, 3975244, 4543136, 4892608, 7950488, 9086272, 9785216, 15900976, 18172544, 19570432, 31801952, 36345088, 63603904, 127207808, 254415616]

約数ペア:

[(1, 254415616), (2, 127207808), (4, 63603904), (7, 36345088), (8, 31801952), (13, 19570432), (14, 18172544), (16, 15900976), (26, 9785216), (28, 9086272), (32, 7950488), (52, 4892608), (56, 4543136), (64, 3975244), (67, 3797248), (91, 2795776), (104, 2446304), (112, 2271568), (128, 1987622), (134, 1898624), (163, 1560832), (182, 1397888), (208, 1223152), (224, 1135784), (256, 993811), (268, 949312), (326, 780416), (364, 698944), (416, 611576), (448, 567892), (469, 542464), (536, 474656), (652, 390208), (728, 349472), (832, 305788), (871, 292096), (896, 283946), (938, 271232), (1072, 237328), (1141, 222976), (1304, 195104), (1456, 174736), (1664, 152894), (1742, 146048), (1792, 141973), (1876, 135616), (2119, 120064), (2144, 118664), (2282, 111488), (2608, 97552), (2912, 87368), (3328, 76447), (3484, 73024), (3752, 67808), (4238, 60032), (4288, 59332), (4564, 55744), (5216, 48776), (5824, 43684), (6097, 41728), (6968, 36512), (7504, 33904), (8476, 30016), (8576, 29666), (9128, 27872), (10432, 24388), (10921, 23296), (11648, 21842), (12194, 20864), (13936, 18256), (14833, 17152), (15008, 16952)]