222012245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 351644160

約数和(自身を除く): 129631915

約数列:

[1, 5, 7, 13, 19, 35, 61, 65, 91, 95, 133, 247, 305, 421, 427, 455, 665, 793, 1159, 1235, 1729, 2105, 2135, 2947, 3965, 5473, 5551, 5795, 7999, 8113, 8645, 14735, 15067, 25681, 27365, 27755, 38311, 39995, 40565, 55993, 75335, 103987, 105469, 128405, 179767, 191555, 279965, 333853, 487939, 519935, 527345, 727909, 898835, 1669265, 2336971, 2439695, 3415573, 3639545, 6343207, 11684855, 17077865, 31716035, 44402449, 222012245]

約数ペア:

[(1, 222012245), (5, 44402449), (7, 31716035), (13, 17077865), (19, 11684855), (35, 6343207), (61, 3639545), (65, 3415573), (91, 2439695), (95, 2336971), (133, 1669265), (247, 898835), (305, 727909), (421, 527345), (427, 519935), (455, 487939), (665, 333853), (793, 279965), (1159, 191555), (1235, 179767), (1729, 128405), (2105, 105469), (2135, 103987), (2947, 75335), (3965, 55993), (5473, 40565), (5551, 39995), (5795, 38311), (7999, 27755), (8113, 27365), (8645, 25681), (14735, 15067)]