257210056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{1559}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 495331200

約数和(自身を除く): 238121144

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 503, 1006, 1559, 2012, 3118, 4024, 6236, 12472, 20623, 41246, 63919, 82492, 127838, 164984, 255676, 511352, 784177, 1568354, 3136708, 6273416, 32151257, 64302514, 128605028, 257210056]

約数ペア:

[(1, 257210056), (2, 128605028), (4, 64302514), (8, 32151257), (41, 6273416), (82, 3136708), (164, 1568354), (328, 784177), (503, 511352), (1006, 255676), (1559, 164984), (2012, 127838), (3118, 82492), (4024, 63919), (6236, 41246), (12472, 20623)]