217920066

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1553}}^1$

素因数の和:1835

約数の個数: 64

約数和(自身を含む): 538852608

約数和(自身を除く): 320932542

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 257, 273, 514, 546, 771, 1542, 1553, 1799, 3106, 3341, 3598, 4659, 5397, 6682, 9318, 10023, 10794, 10871, 20046, 20189, 21742, 23387, 32613, 40378, 46774, 60567, 65226, 70161, 121134, 140322, 141323, 282646, 399121, 423969, 798242, 847938, 1197363, 2394726, 2793847, 5188573, 5587694, 8381541, 10377146, 15565719, 16763082, 31131438, 36320011, 72640022, 108960033, 217920066]

約数ペア:

[(1, 217920066), (2, 108960033), (3, 72640022), (6, 36320011), (7, 31131438), (13, 16763082), (14, 15565719), (21, 10377146), (26, 8381541), (39, 5587694), (42, 5188573), (78, 2793847), (91, 2394726), (182, 1197363), (257, 847938), (273, 798242), (514, 423969), (546, 399121), (771, 282646), (1542, 141323), (1553, 140322), (1799, 121134), (3106, 70161), (3341, 65226), (3598, 60567), (4659, 46774), (5397, 40378), (6682, 32613), (9318, 23387), (10023, 21742), (10794, 20189), (10871, 20046)]