81887438

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{20879}}^1$

素因数の和:20971

約数の個数: 16

約数和(自身を含む): 128537280

約数和(自身を除く): 46649842

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 20879, 41758, 772523, 1106587, 1545046, 2213174, 40943719, 81887438]

約数ペア:

[(1, 81887438), (2, 40943719), (37, 2213174), (53, 1545046), (74, 1106587), (106, 772523), (1961, 41758), (3922, 20879)]