348997376

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 873589248

約数和(自身を除く): 524591872

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 71, 91, 104, 112, 128, 142, 182, 208, 211, 224, 256, 284, 364, 416, 422, 448, 497, 568, 728, 832, 844, 896, 923, 994, 1136, 1456, 1477, 1664, 1688, 1792, 1846, 1988, 2272, 2743, 2912, 2954, 3328, 3376, 3692, 3976, 4544, 5486, 5824, 5908, 6461, 6752, 7384, 7952, 9088, 10972, 11648, 11816, 12922, 13504, 14768, 14981, 15904, 18176, 19201, 21944, 23296, 23632, 25844, 27008, 29536, 29962, 31808, 38402, 43888, 47264, 51688, 54016, 59072, 59924, 63616, 76804, 87776, 94528, 103376, 104867, 118144, 119848, 127232, 153608, 175552, 189056, 194753, 206752, 209734, 236288, 239696, 307216, 351104, 378112, 389506, 413504, 419468, 479392, 614432, 702208, 779012, 827008, 838936, 958784, 1228864, 1363271, 1558024, 1654016, 1677872, 1917568, 2457728, 2726542, 3116048, 3355744, 3835136, 4915456, 5453084, 6232096, 6711488, 10906168, 12464192, 13422976, 21812336, 24928384, 26845952, 43624672, 49856768, 87249344, 174498688, 348997376]

約数ペア:

[(1, 348997376), (2, 174498688), (4, 87249344), (7, 49856768), (8, 43624672), (13, 26845952), (14, 24928384), (16, 21812336), (26, 13422976), (28, 12464192), (32, 10906168), (52, 6711488), (56, 6232096), (64, 5453084), (71, 4915456), (91, 3835136), (104, 3355744), (112, 3116048), (128, 2726542), (142, 2457728), (182, 1917568), (208, 1677872), (211, 1654016), (224, 1558024), (256, 1363271), (284, 1228864), (364, 958784), (416, 838936), (422, 827008), (448, 779012), (497, 702208), (568, 614432), (728, 479392), (832, 419468), (844, 413504), (896, 389506), (923, 378112), (994, 351104), (1136, 307216), (1456, 239696), (1477, 236288), (1664, 209734), (1688, 206752), (1792, 194753), (1846, 189056), (1988, 175552), (2272, 153608), (2743, 127232), (2912, 119848), (2954, 118144), (3328, 104867), (3376, 103376), (3692, 94528), (3976, 87776), (4544, 76804), (5486, 63616), (5824, 59924), (5908, 59072), (6461, 54016), (6752, 51688), (7384, 47264), (7952, 43888), (9088, 38402), (10972, 31808), (11648, 29962), (11816, 29536), (12922, 27008), (13504, 25844), (14768, 23632), (14981, 23296), (15904, 21944), (18176, 19201)]