208547248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3402

約数の個数: 80

約数和(自身を含む): 509022976

約数和(自身を除く): 300475728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3331, 3913, 4472, 4816, 6662, 7826, 8944, 13324, 15652, 23317, 26648, 31304, 43303, 46634, 53296, 62608, 86606, 93268, 143233, 173212, 186536, 286466, 303121, 346424, 373072, 572932, 606242, 692848, 1002631, 1145864, 1212484, 1862029, 2005262, 2291728, 2424968, 3724058, 4010524, 4849936, 7448116, 8021048, 13034203, 14896232, 16042096, 26068406, 29792464, 52136812, 104273624, 208547248]

約数ペア:

[(1, 208547248), (2, 104273624), (4, 52136812), (7, 29792464), (8, 26068406), (13, 16042096), (14, 14896232), (16, 13034203), (26, 8021048), (28, 7448116), (43, 4849936), (52, 4010524), (56, 3724058), (86, 2424968), (91, 2291728), (104, 2005262), (112, 1862029), (172, 1212484), (182, 1145864), (208, 1002631), (301, 692848), (344, 606242), (364, 572932), (559, 373072), (602, 346424), (688, 303121), (728, 286466), (1118, 186536), (1204, 173212), (1456, 143233), (2236, 93268), (2408, 86606), (3331, 62608), (3913, 53296), (4472, 46634), (4816, 43303), (6662, 31304), (7826, 26648), (8944, 23317), (13324, 15652)]