129625904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{426401}}^1$

素因数の和:426428

約数の個数: 20

約数和(自身を含む): 264369240

約数和(自身を除く): 134743336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 426401, 852802, 1705604, 3411208, 6822416, 8101619, 16203238, 32406476, 64812952, 129625904]

約数ペア:

[(1, 129625904), (2, 64812952), (4, 32406476), (8, 16203238), (16, 8101619), (19, 6822416), (38, 3411208), (76, 1705604), (152, 852802), (304, 426401)]