678889276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{129263}}^1$

素因数の和:129381

約数の個数: 24

約数和(自身を含む): 1292122944

約数和(自身を除く): 613233668

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 129263, 258526, 517052, 1680419, 3360838, 6721676, 13055563, 26111126, 52222252, 169722319, 339444638, 678889276]

約数ペア:

[(1, 678889276), (2, 339444638), (4, 169722319), (13, 52222252), (26, 26111126), (52, 13055563), (101, 6721676), (202, 3360838), (404, 1680419), (1313, 517052), (2626, 258526), (5252, 129263)]