289243526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{2213}}^1$

素因数の和:2696

約数の個数: 32

約数和(自身を含む): 511062048

約数和(自身を除く): 221818522

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 457, 914, 2213, 4426, 5027, 5941, 10054, 11882, 24343, 28769, 48686, 57538, 65351, 130702, 316459, 632918, 1011341, 2022682, 11124751, 13147433, 22249502, 26294866, 144621763, 289243526]

約数ペア:

[(1, 289243526), (2, 144621763), (11, 26294866), (13, 22249502), (22, 13147433), (26, 11124751), (143, 2022682), (286, 1011341), (457, 632918), (914, 316459), (2213, 130702), (4426, 65351), (5027, 57538), (5941, 48686), (10054, 28769), (11882, 24343)]