15721431752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1\times {\mathrm{1777}}^1$

素因数の和:2770

約数の個数: 64

約数和(自身を含む): 32127108720

約数和(自身を除く): 16405676968

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 877, 1261, 1754, 1777, 2522, 3508, 3554, 5044, 7016, 7108, 10088, 11401, 14216, 22802, 23101, 45604, 46202, 85069, 91208, 92404, 170138, 172369, 184808, 340276, 344738, 680552, 689476, 1105897, 1378952, 1558429, 2211794, 2240797, 3116858, 4423588, 4481594, 6233716, 8847176, 8963188, 12467432, 17926376, 20259577, 40519154, 81038308, 151167613, 162076616, 302335226, 604670452, 1209340904, 1965178969, 3930357938, 7860715876, 15721431752]

約数ペア:

[(1, 15721431752), (2, 7860715876), (4, 3930357938), (8, 1965178969), (13, 1209340904), (26, 604670452), (52, 302335226), (97, 162076616), (104, 151167613), (194, 81038308), (388, 40519154), (776, 20259577), (877, 17926376), (1261, 12467432), (1754, 8963188), (1777, 8847176), (2522, 6233716), (3508, 4481594), (3554, 4423588), (5044, 3116858), (7016, 2240797), (7108, 2211794), (10088, 1558429), (11401, 1378952), (14216, 1105897), (22802, 689476), (23101, 680552), (45604, 344738), (46202, 340276), (85069, 184808), (91208, 172369), (92404, 170138)]