131978522

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{20551}}^1$

素因数の和:20598

約数の個数: 24

約数和(自身を含む): 225660960

約数和(自身を除く): 93682438

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 6422, 20551, 41102, 267163, 390469, 534326, 780938, 3473119, 5076097, 6946238, 10152194, 65989261, 131978522]

約数ペア:

[(1, 131978522), (2, 65989261), (13, 10152194), (19, 6946238), (26, 5076097), (38, 3473119), (169, 780938), (247, 534326), (338, 390469), (494, 267163), (3211, 41102), (6422, 20551)]