247913328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397297}}^1$

素因数の和:397321

約数の個数: 40

約数和(自身を含む): 689709328

約数和(自身を除く): 441796000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 397297, 794594, 1191891, 1589188, 2383782, 3178376, 4767564, 5164861, 6356752, 9535128, 10329722, 15494583, 19070256, 20659444, 30989166, 41318888, 61978332, 82637776, 123956664, 247913328]

約数ペア:

[(1, 247913328), (2, 123956664), (3, 82637776), (4, 61978332), (6, 41318888), (8, 30989166), (12, 20659444), (13, 19070256), (16, 15494583), (24, 10329722), (26, 9535128), (39, 6356752), (48, 5164861), (52, 4767564), (78, 3178376), (104, 2383782), (156, 1589188), (208, 1191891), (312, 794594), (624, 397297)]