256907912

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{3851}}^1$

素因数の和:4157

約数の個数: 32

約数和(自身を含む): 499219200

約数和(自身を除く): 242311288

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 269, 538, 1076, 2152, 3851, 7702, 8339, 15404, 16678, 30808, 33356, 66712, 119381, 238762, 477524, 955048, 1035919, 2071838, 4143676, 8287352, 32113489, 64226978, 128453956, 256907912]

約数ペア:

[(1, 256907912), (2, 128453956), (4, 64226978), (8, 32113489), (31, 8287352), (62, 4143676), (124, 2071838), (248, 1035919), (269, 955048), (538, 477524), (1076, 238762), (2152, 119381), (3851, 66712), (7702, 33356), (8339, 30808), (15404, 16678)]