81431446

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{3989}}^1$

素因数の和:4223

約数の個数: 16

約数和(自身を含む): 124966800

約数和(自身を除く): 43535354

約数列:

[1, 2, 59, 118, 173, 346, 3989, 7978, 10207, 20414, 235351, 470702, 690097, 1380194, 40715723, 81431446]

約数ペア:

[(1, 81431446), (2, 40715723), (59, 1380194), (118, 690097), (173, 470702), (346, 235351), (3989, 20414), (7978, 10207)]