221296218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257921}}^1$

素因数の和:257950

約数の個数: 32

約数和(自身を含む): 519970752

約数和(自身を除く): 298674534

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 257921, 515842, 773763, 1547526, 2837131, 3352973, 5674262, 6705946, 8511393, 10058919, 17022786, 20117838, 36882703, 73765406, 110648109, 221296218]

約数ペア:

[(1, 221296218), (2, 110648109), (3, 73765406), (6, 36882703), (11, 20117838), (13, 17022786), (22, 10058919), (26, 8511393), (33, 6705946), (39, 5674262), (66, 3352973), (78, 2837131), (143, 1547526), (286, 773763), (429, 515842), (858, 257921)]