977962778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1109}}^1\times {\mathrm{2609}}^1$

素因数の和:3746

約数の個数: 24

約数和(自身を含む): 1590507900

約数和(自身を除く): 612545122

約数列:

[1, 2, 13, 26, 169, 338, 1109, 2218, 2609, 5218, 14417, 28834, 33917, 67834, 187421, 374842, 440921, 881842, 2893381, 5786762, 37613953, 75227906, 488981389, 977962778]

約数ペア:

[(1, 977962778), (2, 488981389), (13, 75227906), (26, 37613953), (169, 5786762), (338, 2893381), (1109, 881842), (2218, 440921), (2609, 374842), (5218, 187421), (14417, 67834), (28834, 33917)]