81330448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2903}}^1$

素因数の和:3031

約数の個数: 40

約数和(自身を含む): 168524928

約数和(自身を除く): 87194480

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 824, 1648, 1751, 2903, 3502, 5806, 7004, 11612, 14008, 23224, 28016, 46448, 49351, 98702, 197404, 299009, 394808, 598018, 789616, 1196036, 2392072, 4784144, 5083153, 10166306, 20332612, 40665224, 81330448]

約数ペア:

[(1, 81330448), (2, 40665224), (4, 20332612), (8, 10166306), (16, 5083153), (17, 4784144), (34, 2392072), (68, 1196036), (103, 789616), (136, 598018), (206, 394808), (272, 299009), (412, 197404), (824, 98702), (1648, 49351), (1751, 46448), (2903, 28016), (3502, 23224), (5806, 14008), (7004, 11612)]