216610394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 438988032

約数和(自身を除く): 222377638

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 257, 286, 421, 514, 842, 1001, 1799, 2002, 2827, 2947, 3341, 3598, 4631, 5473, 5654, 5894, 6682, 9262, 10946, 19789, 23387, 32417, 36751, 38311, 39578, 46774, 60203, 64834, 73502, 76622, 108197, 120406, 216394, 257257, 421421, 514514, 757379, 842842, 1190167, 1406561, 1514758, 2380334, 2813122, 8331169, 9845927, 15472171, 16662338, 19691854, 30944342, 108305197, 216610394]

約数ペア:

[(1, 216610394), (2, 108305197), (7, 30944342), (11, 19691854), (13, 16662338), (14, 15472171), (22, 9845927), (26, 8331169), (77, 2813122), (91, 2380334), (143, 1514758), (154, 1406561), (182, 1190167), (257, 842842), (286, 757379), (421, 514514), (514, 421421), (842, 257257), (1001, 216394), (1799, 120406), (2002, 108197), (2827, 76622), (2947, 73502), (3341, 64834), (3598, 60203), (4631, 46774), (5473, 39578), (5654, 38311), (5894, 36751), (6682, 32417), (9262, 23387), (10946, 19789)]