639886611

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 1107671040

約数和(自身を除く): 467784429

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 101, 161, 273, 299, 303, 483, 707, 897, 1009, 1313, 2093, 2121, 2323, 3027, 3939, 6279, 6969, 7063, 9191, 13117, 16261, 21189, 23207, 27573, 30199, 39351, 48783, 69621, 90597, 91819, 101909, 162449, 211393, 275457, 301691, 305727, 487347, 634179, 713363, 905073, 1324817, 2111837, 2140089, 2343907, 3974451, 6335511, 7031721, 9273719, 16407349, 27821157, 30470791, 49222047, 91412373, 213295537, 639886611]

約数ペア:

[(1, 639886611), (3, 213295537), (7, 91412373), (13, 49222047), (21, 30470791), (23, 27821157), (39, 16407349), (69, 9273719), (91, 7031721), (101, 6335511), (161, 3974451), (273, 2343907), (299, 2140089), (303, 2111837), (483, 1324817), (707, 905073), (897, 713363), (1009, 634179), (1313, 487347), (2093, 305727), (2121, 301691), (2323, 275457), (3027, 211393), (3939, 162449), (6279, 101909), (6969, 91819), (7063, 90597), (9191, 69621), (13117, 48783), (16261, 39351), (21189, 30199), (23207, 27573)]