179920208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{865001}}^1$

素因数の和:865022

約数の個数: 20

約数和(自身を含む): 375410868

約数和(自身を除く): 195490660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 865001, 1730002, 3460004, 6920008, 11245013, 13840016, 22490026, 44980052, 89960104, 179920208]

約数ペア:

[(1, 179920208), (2, 89960104), (4, 44980052), (8, 22490026), (13, 13840016), (16, 11245013), (26, 6920008), (52, 3460004), (104, 1730002), (208, 865001)]