12691690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 26630856

約数和(自身を除く): 13939166

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 617, 935, 1210, 1234, 1870, 2057, 3085, 4114, 6170, 6787, 10285, 10489, 13574, 20570, 20978, 33935, 52445, 67870, 74657, 104890, 115379, 149314, 230758, 373285, 576895, 746570, 1153790, 1269169, 2538338, 6345845, 12691690]

約数ペア:

[(1, 12691690), (2, 6345845), (5, 2538338), (10, 1269169), (11, 1153790), (17, 746570), (22, 576895), (34, 373285), (55, 230758), (85, 149314), (110, 115379), (121, 104890), (170, 74657), (187, 67870), (242, 52445), (374, 33935), (605, 20978), (617, 20570), (935, 13574), (1210, 10489), (1234, 10285), (1870, 6787), (2057, 6170), (3085, 4114)]