1280236432

素因数分解:

$2^4\times {\mathrm{2389}}^1\times {\mathrm{33493}}^1$

素因数の和:35890

約数の個数: 20

約数和(自身を含む): 2481570460

約数和(自身を除く): 1201334028

約数列:

[1, 2, 4, 8, 16, 2389, 4778, 9556, 19112, 33493, 38224, 66986, 133972, 267944, 535888, 80014777, 160029554, 320059108, 640118216, 1280236432]

約数ペア:

[(1, 1280236432), (2, 640118216), (4, 320059108), (8, 160029554), (16, 80014777), (2389, 535888), (4778, 267944), (9556, 133972), (19112, 66986), (33493, 38224)]