677804908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{216967}}^1$

素因数の和:217053

約数の個数: 24

約数和(自身を含む): 1312222464

約数和(自身を除く): 634417556

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 216967, 433934, 867868, 2386637, 4773274, 9546548, 15404657, 30809314, 61618628, 169451227, 338902454, 677804908]

約数ペア:

[(1, 677804908), (2, 338902454), (4, 169451227), (11, 61618628), (22, 30809314), (44, 15404657), (71, 9546548), (142, 4773274), (284, 2386637), (781, 867868), (1562, 433934), (3124, 216967)]