28291406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3248

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 23189170

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 3191, 4433, 6382, 8866, 35101, 41483, 70202, 82966, 98921, 197842, 456313, 912626, 1088131, 1285973, 2176262, 2571946, 14145703, 28291406]

約数ペア:

[(1, 28291406), (2, 14145703), (11, 2571946), (13, 2176262), (22, 1285973), (26, 1088131), (31, 912626), (62, 456313), (143, 197842), (286, 98921), (341, 82966), (403, 70202), (682, 41483), (806, 35101), (3191, 8866), (4433, 6382)]