638996825986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1\times {\mathrm{3727}}^1$

素因数の和:4439

約数の個数: 64

約数和(自身を含む): 1039070545920

約数和(自身を除く): 400073719934

約数列:

[1, 2, 19, 38, 43, 86, 317, 331, 634, 662, 817, 1634, 3727, 6023, 6289, 7454, 12046, 12578, 13631, 14233, 27262, 28466, 70813, 104927, 141626, 160261, 209854, 258989, 270427, 320522, 517978, 540854, 1181459, 1233637, 1993613, 2362918, 2467274, 3044959, 3987226, 4511861, 6089918, 9023722, 22447721, 23439103, 44895442, 46878206, 50802737, 53046391, 85725359, 101605474, 106092782, 171450718, 391062929, 782125858, 965252003, 1007881429, 1930504006, 2015762858, 7430195651, 14860391302, 16815705947, 33631411894, 319498412993, 638996825986]

約数ペア:

[(1, 638996825986), (2, 319498412993), (19, 33631411894), (38, 16815705947), (43, 14860391302), (86, 7430195651), (317, 2015762858), (331, 1930504006), (634, 1007881429), (662, 965252003), (817, 782125858), (1634, 391062929), (3727, 171450718), (6023, 106092782), (6289, 101605474), (7454, 85725359), (12046, 53046391), (12578, 50802737), (13631, 46878206), (14233, 44895442), (27262, 23439103), (28466, 22447721), (70813, 9023722), (104927, 6089918), (141626, 4511861), (160261, 3987226), (209854, 3044959), (258989, 2467274), (270427, 2362918), (320522, 1993613), (517978, 1233637), (540854, 1181459)]