128520231026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{260761}}^1$

素因数の和:261338

約数の個数: 32

約数和(自身を含む): 215610538176

約数和(自身を除く): 87090307150

約数列:

[1, 2, 11, 22, 43, 86, 473, 521, 946, 1042, 5731, 11462, 22403, 44806, 246433, 260761, 492866, 521522, 2868371, 5736742, 11212723, 22425446, 123339953, 135856481, 246679906, 271712962, 1494421291, 2988842582, 5841828683, 11683657366, 64260115513, 128520231026]

約数ペア:

[(1, 128520231026), (2, 64260115513), (11, 11683657366), (22, 5841828683), (43, 2988842582), (86, 1494421291), (473, 271712962), (521, 246679906), (946, 135856481), (1042, 123339953), (5731, 22425446), (11462, 11212723), (22403, 5736742), (44806, 2868371), (246433, 521522), (260761, 492866)]