68940004

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 141546496

約数和(自身を除く): 72606492

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 181, 223, 244, 362, 427, 446, 724, 854, 892, 1267, 1561, 1708, 2534, 3122, 5068, 6244, 11041, 13603, 22082, 27206, 40363, 44164, 54412, 77287, 80726, 95221, 154574, 161452, 190442, 282541, 309148, 380884, 565082, 1130164, 2462143, 4924286, 9848572, 17235001, 34470002, 68940004]

約数ペア:

[(1, 68940004), (2, 34470002), (4, 17235001), (7, 9848572), (14, 4924286), (28, 2462143), (61, 1130164), (122, 565082), (181, 380884), (223, 309148), (244, 282541), (362, 190442), (427, 161452), (446, 154574), (724, 95221), (854, 80726), (892, 77287), (1267, 54412), (1561, 44164), (1708, 40363), (2534, 27206), (3122, 22082), (5068, 13603), (6244, 11041)]