287294224

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{12157}}^1$

素因数の和:12383

約数の個数: 40

約数和(自身を含む): 639219008

約数和(自身を除く): 351924784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 11816, 12157, 23632, 24314, 48628, 85099, 97256, 170198, 194512, 340396, 680792, 1361584, 2565127, 5130254, 10260508, 17955889, 20521016, 35911778, 41042032, 71823556, 143647112, 287294224]

約数ペア:

[(1, 287294224), (2, 143647112), (4, 71823556), (7, 41042032), (8, 35911778), (14, 20521016), (16, 17955889), (28, 10260508), (56, 5130254), (112, 2565127), (211, 1361584), (422, 680792), (844, 340396), (1477, 194512), (1688, 170198), (2954, 97256), (3376, 85099), (5908, 48628), (11816, 24314), (12157, 23632)]