81149584

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137077}}^1$

素因数の和:137122

約数の個数: 20

約数和(自身を含む): 161477884

約数和(自身を除く): 80328300

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 137077, 274154, 548308, 1096616, 2193232, 5071849, 10143698, 20287396, 40574792, 81149584]

約数ペア:

[(1, 81149584), (2, 40574792), (4, 20287396), (8, 10143698), (16, 5071849), (37, 2193232), (74, 1096616), (148, 548308), (296, 274154), (592, 137077)]