390961879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{267233}}^1$

素因数の和:267270

約数の個数: 16

約数和(自身を含む): 513089280

約数和(自身を除く): 122127401

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 267233, 1870631, 2939563, 5077427, 20576941, 35541989, 55851697, 390961879]

約数ペア:

[(1, 390961879), (7, 55851697), (11, 35541989), (19, 20576941), (77, 5077427), (133, 2939563), (209, 1870631), (1463, 267233)]