128048248

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{390391}}^1$

素因数の和:390438

約数の個数: 16

約数和(自身を含む): 245946960

約数和(自身を除く): 117898712

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 390391, 780782, 1561564, 3123128, 16006031, 32012062, 64024124, 128048248]

約数ペア:

[(1, 128048248), (2, 64024124), (4, 32012062), (8, 16006031), (41, 3123128), (82, 1561564), (164, 780782), (328, 390391)]