161999488

素因数分解:

$2^7\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1174

約数の個数: 96

約数和(自身を含む): 392096160

約数和(自身を除く): 230096672

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 322, 368, 392, 448, 644, 736, 784, 896, 1123, 1127, 1288, 1472, 1568, 2246, 2254, 2576, 2944, 3136, 4492, 4508, 5152, 6272, 7861, 8984, 9016, 10304, 15722, 17968, 18032, 20608, 25829, 31444, 35936, 36064, 51658, 55027, 62888, 71872, 72128, 103316, 110054, 125776, 143744, 144256, 180803, 206632, 220108, 251552, 361606, 413264, 440216, 503104, 723212, 826528, 880432, 1006208, 1265621, 1446424, 1653056, 1760864, 2531242, 2892848, 3306112, 3521728, 5062484, 5785696, 7043456, 10124968, 11571392, 20249936, 23142784, 40499872, 80999744, 161999488]

約数ペア:

[(1, 161999488), (2, 80999744), (4, 40499872), (7, 23142784), (8, 20249936), (14, 11571392), (16, 10124968), (23, 7043456), (28, 5785696), (32, 5062484), (46, 3521728), (49, 3306112), (56, 2892848), (64, 2531242), (92, 1760864), (98, 1653056), (112, 1446424), (128, 1265621), (161, 1006208), (184, 880432), (196, 826528), (224, 723212), (322, 503104), (368, 440216), (392, 413264), (448, 361606), (644, 251552), (736, 220108), (784, 206632), (896, 180803), (1123, 144256), (1127, 143744), (1288, 125776), (1472, 110054), (1568, 103316), (2246, 72128), (2254, 71872), (2576, 62888), (2944, 55027), (3136, 51658), (4492, 36064), (4508, 35936), (5152, 31444), (6272, 25829), (7861, 20608), (8984, 18032), (9016, 17968), (10304, 15722)]