138763856

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 337740288

約数和(自身を除く): 198976432

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 163, 176, 308, 326, 616, 652, 691, 1141, 1232, 1304, 1382, 1793, 2282, 2608, 2764, 3586, 4564, 4837, 5528, 7172, 7601, 9128, 9674, 11056, 12551, 14344, 15202, 18256, 19348, 25102, 28688, 30404, 38696, 50204, 53207, 60808, 77392, 100408, 106414, 112633, 121616, 200816, 212828, 225266, 425656, 450532, 788431, 851312, 901064, 1238963, 1576862, 1802128, 2477926, 3153724, 4955852, 6307448, 8672741, 9911704, 12614896, 17345482, 19823408, 34690964, 69381928, 138763856]

約数ペア:

[(1, 138763856), (2, 69381928), (4, 34690964), (7, 19823408), (8, 17345482), (11, 12614896), (14, 9911704), (16, 8672741), (22, 6307448), (28, 4955852), (44, 3153724), (56, 2477926), (77, 1802128), (88, 1576862), (112, 1238963), (154, 901064), (163, 851312), (176, 788431), (308, 450532), (326, 425656), (616, 225266), (652, 212828), (691, 200816), (1141, 121616), (1232, 112633), (1304, 106414), (1382, 100408), (1793, 77392), (2282, 60808), (2608, 53207), (2764, 50204), (3586, 38696), (4564, 30404), (4837, 28688), (5528, 25102), (7172, 19348), (7601, 18256), (9128, 15202), (9674, 14344), (11056, 12551)]