140475136

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{571}}^1$

素因数の和:649

約数の個数: 54

約数和(自身を含む): 290245956

約数和(自身を除く): 149770820

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 571, 961, 992, 1142, 1922, 1984, 2284, 3844, 3968, 4568, 7688, 7936, 9136, 15376, 17701, 18272, 30752, 35402, 36544, 61504, 70804, 73088, 123008, 141608, 146176, 246016, 283216, 548731, 566432, 1097462, 1132864, 2194924, 2265728, 4389848, 4531456, 8779696, 17559392, 35118784, 70237568, 140475136]

約数ペア:

[(1, 140475136), (2, 70237568), (4, 35118784), (8, 17559392), (16, 8779696), (31, 4531456), (32, 4389848), (62, 2265728), (64, 2194924), (124, 1132864), (128, 1097462), (248, 566432), (256, 548731), (496, 283216), (571, 246016), (961, 146176), (992, 141608), (1142, 123008), (1922, 73088), (1984, 70804), (2284, 61504), (3844, 36544), (3968, 35402), (4568, 30752), (7688, 18272), (7936, 17701), (9136, 15376)]