388996868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2089}}^1\times {\mathrm{3581}}^1$

素因数の和:5687

約数の個数: 24

約数和(自身を含む): 733665240

約数和(自身を除く): 344668372

約数列:

[1, 2, 4, 13, 26, 52, 2089, 3581, 4178, 7162, 8356, 14324, 27157, 46553, 54314, 93106, 108628, 186212, 7480709, 14961418, 29922836, 97249217, 194498434, 388996868]

約数ペア:

[(1, 388996868), (2, 194498434), (4, 97249217), (13, 29922836), (26, 14961418), (52, 7480709), (2089, 186212), (3581, 108628), (4178, 93106), (7162, 54314), (8356, 46553), (14324, 27157)]