663669237

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 1131485184

約数和(自身を除く): 467815947

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 137, 201, 231, 313, 411, 469, 737, 939, 959, 1407, 1507, 2191, 2211, 2877, 3443, 4521, 5159, 6573, 9179, 10329, 10549, 15477, 20971, 24101, 27537, 31647, 42881, 62913, 64253, 72303, 100969, 128643, 146797, 192759, 230681, 300167, 302907, 440391, 471691, 692043, 706783, 900501, 1415073, 1614767, 2120349, 2873027, 3301837, 4844301, 8619081, 9905511, 20111189, 31603297, 60333567, 94809891, 221223079, 663669237]

約数ペア:

[(1, 663669237), (3, 221223079), (7, 94809891), (11, 60333567), (21, 31603297), (33, 20111189), (67, 9905511), (77, 8619081), (137, 4844301), (201, 3301837), (231, 2873027), (313, 2120349), (411, 1614767), (469, 1415073), (737, 900501), (939, 706783), (959, 692043), (1407, 471691), (1507, 440391), (2191, 302907), (2211, 300167), (2877, 230681), (3443, 192759), (4521, 146797), (5159, 128643), (6573, 100969), (9179, 72303), (10329, 64253), (10549, 62913), (15477, 42881), (20971, 31647), (24101, 27537)]