2891746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10111}}^1$

素因数の和:10137

約数の個数: 16

約数和(自身を含む): 5096448

約数和(自身を除く): 2204702

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 10111, 20222, 111221, 131443, 222442, 262886, 1445873, 2891746]

約数ペア:

[(1, 2891746), (2, 1445873), (11, 262886), (13, 222442), (22, 131443), (26, 111221), (143, 20222), (286, 10111)]