128948258

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 207432576

約数和(自身を除く): 78484318

約数列:

[1, 2, 23, 46, 53, 106, 227, 233, 454, 466, 1219, 2438, 5221, 5359, 10442, 10718, 12031, 12349, 24062, 24698, 52891, 105782, 276713, 284027, 553426, 568054, 1216493, 2432986, 2803223, 5606446, 64474129, 128948258]

約数ペア:

[(1, 128948258), (2, 64474129), (23, 5606446), (46, 2803223), (53, 2432986), (106, 1216493), (227, 568054), (233, 553426), (454, 284027), (466, 276713), (1219, 105782), (2438, 52891), (5221, 24698), (5359, 24062), (10442, 12349), (10718, 12031)]