261373866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{77929}}^1$

素因数の和:77990

約数の個数: 32

約数和(自身を含む): 576058560

約数和(自身を除く): 314684694

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 77929, 155858, 233787, 467574, 1013077, 2026154, 3039231, 3350947, 6078462, 6701894, 10052841, 20105682, 43562311, 87124622, 130686933, 261373866]

約数ペア:

[(1, 261373866), (2, 130686933), (3, 87124622), (6, 43562311), (13, 20105682), (26, 10052841), (39, 6701894), (43, 6078462), (78, 3350947), (86, 3039231), (129, 2026154), (258, 1013077), (559, 467574), (1118, 233787), (1677, 155858), (3354, 77929)]