3981406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13921}}^1$

素因数の和:13947

約数の個数: 16

約数和(自身を含む): 7016688

約数和(自身を除く): 3035282

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 13921, 27842, 153131, 180973, 306262, 361946, 1990703, 3981406]

約数ペア:

[(1, 3981406), (2, 1990703), (11, 361946), (13, 306262), (22, 180973), (26, 153131), (143, 27842), (286, 13921)]