81141592

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39161}}^1$

素因数の和:39211

約数の個数: 32

約数和(自身を含む): 178578720

約数和(自身を除く): 97437128

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39161, 78322, 156644, 274127, 313288, 548254, 1096508, 1448957, 2193016, 2897914, 5795828, 10142699, 11591656, 20285398, 40570796, 81141592]

約数ペア:

[(1, 81141592), (2, 40570796), (4, 20285398), (7, 11591656), (8, 10142699), (14, 5795828), (28, 2897914), (37, 2193016), (56, 1448957), (74, 1096508), (148, 548254), (259, 313288), (296, 274127), (518, 156644), (1036, 78322), (2072, 39161)]