655448128

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{10657}}^1$

素因数の和:10731

約数の個数: 42

約数和(自身を含む): 1344091038

約数和(自身を除く): 688642910

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1922, 1984, 3844, 7688, 10657, 15376, 21314, 30752, 42628, 61504, 85256, 170512, 330367, 341024, 660734, 682048, 1321468, 2642936, 5285872, 10241377, 10571744, 20482754, 21143488, 40965508, 81931016, 163862032, 327724064, 655448128]

約数ペア:

[(1, 655448128), (2, 327724064), (4, 163862032), (8, 81931016), (16, 40965508), (31, 21143488), (32, 20482754), (62, 10571744), (64, 10241377), (124, 5285872), (248, 2642936), (496, 1321468), (961, 682048), (992, 660734), (1922, 341024), (1984, 330367), (3844, 170512), (7688, 85256), (10657, 61504), (15376, 42628), (21314, 30752)]