157065008

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{19993}}^1$

素因数の和:20492

約数の個数: 20

約数和(自身を含む): 304948488

約数和(自身を除く): 147883480

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 19993, 39986, 79972, 159944, 319888, 9816563, 19633126, 39266252, 78532504, 157065008]

約数ペア:

[(1, 157065008), (2, 78532504), (4, 39266252), (8, 19633126), (16, 9816563), (491, 319888), (982, 159944), (1964, 79972), (3928, 39986), (7856, 19993)]