388694878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{2239}}^1$

素因数の和:2872

約数の個数: 32

約数和(自身を含む): 686407680

約数和(自身を除く): 297712802

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 607, 1214, 2239, 4478, 6677, 7891, 13354, 15782, 24629, 29107, 49258, 58214, 86801, 173602, 320177, 640354, 1359073, 2718146, 14949803, 17667949, 29899606, 35335898, 194347439, 388694878]

約数ペア:

[(1, 388694878), (2, 194347439), (11, 35335898), (13, 29899606), (22, 17667949), (26, 14949803), (143, 2718146), (286, 1359073), (607, 640354), (1214, 320177), (2239, 173602), (4478, 86801), (6677, 58214), (7891, 49258), (13354, 29107), (15782, 24629)]