626866384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 1295167104

約数和(自身を除く): 668300720

約数列:

[1, 2, 4, 8, 16, 41, 43, 71, 82, 86, 142, 164, 172, 284, 313, 328, 344, 568, 626, 656, 688, 1136, 1252, 1763, 2504, 2911, 3053, 3526, 5008, 5822, 6106, 7052, 11644, 12212, 12833, 13459, 14104, 22223, 23288, 24424, 25666, 26918, 28208, 44446, 46576, 48848, 51332, 53836, 88892, 102664, 107672, 125173, 177784, 205328, 215344, 250346, 355568, 500692, 551819, 911143, 955589, 1001384, 1103638, 1822286, 1911178, 2002768, 2207276, 3644572, 3822356, 4414552, 7289144, 7644712, 8829104, 14578288, 15289424, 39179149, 78358298, 156716596, 313433192, 626866384]

約数ペア:

[(1, 626866384), (2, 313433192), (4, 156716596), (8, 78358298), (16, 39179149), (41, 15289424), (43, 14578288), (71, 8829104), (82, 7644712), (86, 7289144), (142, 4414552), (164, 3822356), (172, 3644572), (284, 2207276), (313, 2002768), (328, 1911178), (344, 1822286), (568, 1103638), (626, 1001384), (656, 955589), (688, 911143), (1136, 551819), (1252, 500692), (1763, 355568), (2504, 250346), (2911, 215344), (3053, 205328), (3526, 177784), (5008, 125173), (5822, 107672), (6106, 102664), (7052, 88892), (11644, 53836), (12212, 51332), (12833, 48848), (13459, 46576), (14104, 44446), (22223, 28208), (23288, 26918), (24424, 25666)]