128567344

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{79559}}^1$

素因数の和:79668

約数の個数: 20

約数和(自身を含む): 251568720

約数和(自身を除く): 123001376

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 79559, 159118, 318236, 636472, 1272944, 8035459, 16070918, 32141836, 64283672, 128567344]

約数ペア:

[(1, 128567344), (2, 64283672), (4, 32141836), (8, 16070918), (16, 8035459), (101, 1272944), (202, 636472), (404, 318236), (808, 159118), (1616, 79559)]