28740018

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{208261}}^1$

素因数の和:208289

約数の個数: 16

約数和(自身を含む): 59979456

約数和(自身を除く): 31239438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 208261, 416522, 624783, 1249566, 4790003, 9580006, 14370009, 28740018]

約数ペア:

[(1, 28740018), (2, 14370009), (3, 9580006), (6, 4790003), (23, 1249566), (46, 624783), (69, 416522), (138, 208261)]