1256376501

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 2050107840

約数和(自身を除く): 793731339

約数列:

[1, 3, 9, 19, 27, 53, 57, 73, 81, 159, 171, 211, 219, 477, 513, 633, 657, 1007, 1387, 1431, 1539, 1899, 1971, 3021, 3869, 4009, 4161, 4293, 5697, 5913, 9063, 11183, 11607, 12027, 12483, 15403, 17091, 27189, 33549, 34821, 36081, 37449, 46209, 73511, 81567, 100647, 104463, 108243, 112347, 138627, 212477, 220533, 292657, 301941, 313389, 324729, 415881, 637431, 661599, 816359, 877971, 905823, 1247643, 1912293, 1984797, 2449077, 2633913, 5736879, 5954391, 7347231, 7901739, 15510821, 17210637, 22041693, 23705217, 46532463, 66125079, 139597389, 418792167, 1256376501]

約数ペア:

[(1, 1256376501), (3, 418792167), (9, 139597389), (19, 66125079), (27, 46532463), (53, 23705217), (57, 22041693), (73, 17210637), (81, 15510821), (159, 7901739), (171, 7347231), (211, 5954391), (219, 5736879), (477, 2633913), (513, 2449077), (633, 1984797), (657, 1912293), (1007, 1247643), (1387, 905823), (1431, 877971), (1539, 816359), (1899, 661599), (1971, 637431), (3021, 415881), (3869, 324729), (4009, 313389), (4161, 301941), (4293, 292657), (5697, 220533), (5913, 212477), (9063, 138627), (11183, 112347), (11607, 108243), (12027, 104463), (12483, 100647), (15403, 81567), (17091, 73511), (27189, 46209), (33549, 37449), (34821, 36081)]