257210902

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 435097872

約数和(自身を除く): 177886970

約数列:

[1, 2, 13, 26, 37, 74, 131, 157, 169, 262, 314, 338, 481, 962, 1703, 2041, 3406, 4082, 4847, 5809, 6253, 9694, 11618, 12506, 20567, 22139, 26533, 41134, 44278, 53066, 63011, 75517, 126022, 151034, 267371, 534742, 760979, 819143, 981721, 1521958, 1638286, 1963442, 3475823, 6951646, 9892727, 19785454, 128605451, 257210902]

約数ペア:

[(1, 257210902), (2, 128605451), (13, 19785454), (26, 9892727), (37, 6951646), (74, 3475823), (131, 1963442), (157, 1638286), (169, 1521958), (262, 981721), (314, 819143), (338, 760979), (481, 534742), (962, 267371), (1703, 151034), (2041, 126022), (3406, 75517), (4082, 63011), (4847, 53066), (5809, 44278), (6253, 41134), (9694, 26533), (11618, 22139), (12506, 20567)]