2561611

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 2981664

約数和(自身を除く): 420053

約数列:

[1, 13, 17, 67, 173, 221, 871, 1139, 2249, 2941, 11591, 14807, 38233, 150683, 197047, 2561611]

約数ペア:

[(1, 2561611), (13, 197047), (17, 150683), (67, 38233), (173, 14807), (221, 11591), (871, 2941), (1139, 2249)]