409855888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1970461}}^1$

素因数の和:1970482

約数の個数: 20

約数和(自身を含む): 855180508

約数和(自身を除く): 445324620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1970461, 3940922, 7881844, 15763688, 25615993, 31527376, 51231986, 102463972, 204927944, 409855888]

約数ペア:

[(1, 409855888), (2, 204927944), (4, 102463972), (8, 51231986), (13, 31527376), (16, 25615993), (26, 15763688), (52, 7881844), (104, 3940922), (208, 1970461)]