156861872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{515993}}^1$

素因数の和:516020

約数の個数: 20

約数和(自身を含む): 319916280

約数和(自身を除く): 163054408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 515993, 1031986, 2063972, 4127944, 8255888, 9803867, 19607734, 39215468, 78430936, 156861872]

約数ペア:

[(1, 156861872), (2, 78430936), (4, 39215468), (8, 19607734), (16, 9803867), (19, 8255888), (38, 4127944), (76, 2063972), (152, 1031986), (304, 515993)]