80781656

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{272911}}^1$

素因数の和:272954

約数の個数: 16

約数和(自身を含む): 155559840

約数和(自身を除く): 74778184

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 272911, 545822, 1091644, 2183288, 10097707, 20195414, 40390828, 80781656]

約数ペア:

[(1, 80781656), (2, 40390828), (4, 20195414), (8, 10097707), (37, 2183288), (74, 1091644), (148, 545822), (296, 272911)]