28657342

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^2$

素因数の和:720

約数の個数: 24

約数和(自身を含む): 52167024

約数和(自身を除く): 23509682

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 347, 694, 2429, 4858, 5899, 11798, 41293, 82586, 120409, 240818, 842863, 1685726, 2046953, 4093906, 14328671, 28657342]

約数ペア:

[(1, 28657342), (2, 14328671), (7, 4093906), (14, 2046953), (17, 1685726), (34, 842863), (119, 240818), (238, 120409), (347, 82586), (694, 41293), (2429, 11798), (4858, 5899)]