209127958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{21001}}^1$

素因数の和:21399

約数の個数: 16

約数和(自身を含む): 338720256

約数和(自身を除く): 129592298

約数列:

[1, 2, 13, 26, 383, 766, 4979, 9958, 21001, 42002, 273013, 546026, 8043383, 16086766, 104563979, 209127958]

約数ペア:

[(1, 209127958), (2, 104563979), (13, 16086766), (26, 8043383), (383, 546026), (766, 273013), (4979, 42002), (9958, 21001)]