12857887

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 15289344

約数和(自身を除く): 2431457

約数列:

[1, 7, 41, 71, 287, 497, 631, 2911, 4417, 20377, 25871, 44801, 181097, 313607, 1836841, 12857887]

約数ペア:

[(1, 12857887), (7, 1836841), (41, 313607), (71, 181097), (287, 44801), (497, 25871), (631, 20377), (2911, 4417)]