261844352

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:920

約数の個数: 128

約数和(自身を含む): 672122880

約数和(自身を除く): 410278528

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 128, 154, 176, 217, 224, 248, 308, 341, 352, 434, 448, 496, 616, 682, 704, 857, 868, 896, 992, 1232, 1364, 1408, 1714, 1736, 1984, 2387, 2464, 2728, 3428, 3472, 3968, 4774, 4928, 5456, 5999, 6856, 6944, 9427, 9548, 9856, 10912, 11998, 13712, 13888, 18854, 19096, 21824, 23996, 26567, 27424, 27776, 37708, 38192, 43648, 47992, 53134, 54848, 65989, 75416, 76384, 95984, 106268, 109696, 131978, 150832, 152768, 185969, 191968, 212536, 263956, 292237, 301664, 305536, 371938, 383936, 425072, 527912, 584474, 603328, 743876, 767872, 850144, 1055824, 1168948, 1206656, 1487752, 1700288, 2045659, 2111648, 2337896, 2975504, 3400576, 4091318, 4223296, 4675792, 5951008, 8182636, 8446592, 9351584, 11902016, 16365272, 18703168, 23804032, 32730544, 37406336, 65461088, 130922176, 261844352]

約数ペア:

[(1, 261844352), (2, 130922176), (4, 65461088), (7, 37406336), (8, 32730544), (11, 23804032), (14, 18703168), (16, 16365272), (22, 11902016), (28, 9351584), (31, 8446592), (32, 8182636), (44, 5951008), (56, 4675792), (62, 4223296), (64, 4091318), (77, 3400576), (88, 2975504), (112, 2337896), (124, 2111648), (128, 2045659), (154, 1700288), (176, 1487752), (217, 1206656), (224, 1168948), (248, 1055824), (308, 850144), (341, 767872), (352, 743876), (434, 603328), (448, 584474), (496, 527912), (616, 425072), (682, 383936), (704, 371938), (857, 305536), (868, 301664), (896, 292237), (992, 263956), (1232, 212536), (1364, 191968), (1408, 185969), (1714, 152768), (1736, 150832), (1984, 131978), (2387, 109696), (2464, 106268), (2728, 95984), (3428, 76384), (3472, 75416), (3968, 65989), (4774, 54848), (4928, 53134), (5456, 47992), (5999, 43648), (6856, 38192), (6944, 37708), (9427, 27776), (9548, 27424), (9856, 26567), (10912, 23996), (11998, 21824), (13712, 19096), (13888, 18854)]