12906806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8263}}^1$

素因数の和:8347

約数の個数: 16

約数和(自身を含む): 21420288

約数和(自身を除く): 8513482

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 8263, 16526, 90893, 181786, 586673, 1173346, 6453403, 12906806]

約数ペア:

[(1, 12906806), (2, 6453403), (11, 1173346), (22, 586673), (71, 181786), (142, 90893), (781, 16526), (1562, 8263)]