28420042

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{88261}}^1$

素因数の和:88293

約数の個数: 16

約数和(自身を含む): 50838912

約数和(自身を除く): 22418870

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 88261, 176522, 617827, 1235654, 2030003, 4060006, 14210021, 28420042]

約数ペア:

[(1, 28420042), (2, 14210021), (7, 4060006), (14, 2030003), (23, 1235654), (46, 617827), (161, 176522), (322, 88261)]