81359855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{19121}}^1$

素因数の和:19186

約数の個数: 16

約数和(自身を含む): 104635584

約数和(自身を除く): 23275729

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 19121, 95605, 439783, 707477, 2198915, 3537385, 16271971, 81359855]

約数ペア:

[(1, 81359855), (5, 16271971), (23, 3537385), (37, 2198915), (115, 707477), (185, 439783), (851, 95605), (4255, 19121)]