287242556

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{42719}}^1$

素因数の和:42805

約数の個数: 18

約数和(自身を含む): 515245920

約数和(自身を除く): 228003364

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 42719, 85438, 170876, 1751479, 3502958, 7005916, 71810639, 143621278, 287242556]

約数ペア:

[(1, 287242556), (2, 143621278), (4, 71810639), (41, 7005916), (82, 3502958), (164, 1751479), (1681, 170876), (3362, 85438), (6724, 42719)]