638790724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{23761}}^1$

素因数の和:23836

約数の個数: 48

約数和(自身を含む): 1341317376

約数和(自身を除く): 702526652

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 94, 143, 188, 286, 517, 572, 611, 1034, 1222, 2068, 2444, 6721, 13442, 23761, 26884, 47522, 95044, 261371, 308893, 522742, 617786, 1045484, 1116767, 1235572, 2233534, 3397823, 4467068, 6795646, 12284437, 13591292, 14517971, 24568874, 29035942, 49137748, 58071884, 159697681, 319395362, 638790724]

約数ペア:

[(1, 638790724), (2, 319395362), (4, 159697681), (11, 58071884), (13, 49137748), (22, 29035942), (26, 24568874), (44, 14517971), (47, 13591292), (52, 12284437), (94, 6795646), (143, 4467068), (188, 3397823), (286, 2233534), (517, 1235572), (572, 1116767), (611, 1045484), (1034, 617786), (1222, 522742), (2068, 308893), (2444, 261371), (6721, 95044), (13442, 47522), (23761, 26884)]