81198778

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{7559}}^1$

素因数の和:7733

約数の個数: 16

約数和(自身を含む): 125737920

約数和(自身を除く): 44539142

約数列:

[1, 2, 41, 82, 131, 262, 5371, 7559, 10742, 15118, 309919, 619838, 990229, 1980458, 40599389, 81198778]

約数ペア:

[(1, 81198778), (2, 40599389), (41, 1980458), (82, 990229), (131, 619838), (262, 309919), (5371, 15118), (7559, 10742)]