28039408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{42743}}^1$

素因数の和:42792

約数の個数: 20

約数和(自身を含む): 55652688

約数和(自身を除く): 27613280

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 42743, 85486, 170972, 341944, 683888, 1752463, 3504926, 7009852, 14019704, 28039408]

約数ペア:

[(1, 28039408), (2, 14019704), (4, 7009852), (8, 3504926), (16, 1752463), (41, 683888), (82, 341944), (164, 170972), (328, 85486), (656, 42743)]