397788553994

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{69119}}^1\times {\mathrm{17027}}^1$

素因数の和:86174

約数の個数: 24

約数和(自身を含む): 646159472640

約数和(自身を除く): 248370918646

約数列:

[1, 2, 13, 26, 169, 338, 17027, 34054, 69119, 138238, 221351, 442702, 898547, 1797094, 2877563, 5755126, 11681111, 23362222, 1176889213, 2353778426, 15299559769, 30599119538, 198894276997, 397788553994]

約数ペア:

[(1, 397788553994), (2, 198894276997), (13, 30599119538), (26, 15299559769), (169, 2353778426), (338, 1176889213), (17027, 23362222), (34054, 11681111), (69119, 5755126), (138238, 2877563), (221351, 1797094), (442702, 898547)]