620398864

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{237883}}^1$

素因数の和:238054

約数の個数: 20

約数和(自身を含む): 1209402256

約数和(自身を除く): 589003392

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 237883, 475766, 951532, 1903064, 3806128, 38774929, 77549858, 155099716, 310199432, 620398864]

約数ペア:

[(1, 620398864), (2, 310199432), (4, 155099716), (8, 77549858), (16, 38774929), (163, 3806128), (326, 1903064), (652, 951532), (1304, 475766), (2608, 237883)]