128423878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{13001}}^1$

素因数の和:13463

約数の個数: 16

約数和(自身を含む): 210632400

約数和(自身を除く): 82208522

約数列:

[1, 2, 11, 22, 449, 898, 4939, 9878, 13001, 26002, 143011, 286022, 5837449, 11674898, 64211939, 128423878]

約数ペア:

[(1, 128423878), (2, 64211939), (11, 11674898), (22, 5837449), (449, 286022), (898, 143011), (4939, 26002), (9878, 13001)]