81338674

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{1789}}^1$

素因数の和:2097

約数の個数: 16

約数和(自身を含む): 123724800

約数和(自身を除く): 42386126

約数列:

[1, 2, 127, 179, 254, 358, 1789, 3578, 22733, 45466, 227203, 320231, 454406, 640462, 40669337, 81338674]

約数ペア:

[(1, 81338674), (2, 40669337), (127, 640462), (179, 454406), (254, 320231), (358, 227203), (1789, 45466), (3578, 22733)]