2128045381

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{198827}}^1$

素因数の和:198984

約数の個数: 16

約数和(自身を含む): 2672248320

約数和(自身を除く): 544202939

約数列:

[1, 7, 11, 77, 139, 973, 1529, 10703, 198827, 1391789, 2187097, 15309679, 27636953, 193458671, 304006483, 2128045381]

約数ペア:

[(1, 2128045381), (7, 304006483), (11, 193458671), (77, 27636953), (139, 15309679), (973, 2187097), (1529, 1391789), (10703, 198827)]