16888978678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{80783}}^1$

素因数の和:80869

約数の個数: 64

約数和(自身を含む): 32246387712

約数和(自身を除く): 15357409034

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 43, 86, 143, 187, 221, 286, 374, 442, 473, 559, 731, 946, 1118, 1462, 2431, 4862, 6149, 8041, 9503, 12298, 16082, 19006, 80783, 104533, 161566, 209066, 888613, 1050179, 1373311, 1777226, 2100358, 2746622, 3473669, 6947338, 11551969, 15106421, 17853043, 23103938, 30212842, 35706086, 38210359, 45157697, 59052373, 76420718, 90315394, 118104746, 196383473, 392766946, 496734667, 649576103, 767680849, 993469334, 1299152206, 1535361698, 8444489339, 16888978678]

約数ペア:

[(1, 16888978678), (2, 8444489339), (11, 1535361698), (13, 1299152206), (17, 993469334), (22, 767680849), (26, 649576103), (34, 496734667), (43, 392766946), (86, 196383473), (143, 118104746), (187, 90315394), (221, 76420718), (286, 59052373), (374, 45157697), (442, 38210359), (473, 35706086), (559, 30212842), (731, 23103938), (946, 17853043), (1118, 15106421), (1462, 11551969), (2431, 6947338), (4862, 3473669), (6149, 2746622), (8041, 2100358), (9503, 1777226), (12298, 1373311), (16082, 1050179), (19006, 888613), (80783, 209066), (104533, 161566)]