1664212144

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{20327}}^1$

素因数の和:20402

約数の個数: 80

約数和(自身を含む): 3992744448

約数和(自身を除く): 2328532304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 238, 272, 301, 344, 476, 602, 688, 731, 952, 1204, 1462, 1904, 2408, 2924, 4816, 5117, 5848, 10234, 11696, 20327, 20468, 40654, 40936, 81308, 81872, 142289, 162616, 284578, 325232, 345559, 569156, 691118, 874061, 1138312, 1382236, 1748122, 2276624, 2418913, 2764472, 3496244, 4837826, 5528944, 6118427, 6992488, 9675652, 12236854, 13984976, 14859037, 19351304, 24473708, 29718074, 38702608, 48947416, 59436148, 97894832, 104013259, 118872296, 208026518, 237744592, 416053036, 832106072, 1664212144]

約数ペア:

[(1, 1664212144), (2, 832106072), (4, 416053036), (7, 237744592), (8, 208026518), (14, 118872296), (16, 104013259), (17, 97894832), (28, 59436148), (34, 48947416), (43, 38702608), (56, 29718074), (68, 24473708), (86, 19351304), (112, 14859037), (119, 13984976), (136, 12236854), (172, 9675652), (238, 6992488), (272, 6118427), (301, 5528944), (344, 4837826), (476, 3496244), (602, 2764472), (688, 2418913), (731, 2276624), (952, 1748122), (1204, 1382236), (1462, 1138312), (1904, 874061), (2408, 691118), (2924, 569156), (4816, 345559), (5117, 325232), (5848, 284578), (10234, 162616), (11696, 142289), (20327, 81872), (20468, 81308), (40654, 40936)]