2016400018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{718603}}^1$

素因数の和:718689

約数の個数: 16

約数和(自身を含む): 3207848256

約数和(自身を除く): 1191448238

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 718603, 1437206, 16527869, 33055738, 43834783, 87669566, 1008200009, 2016400018]

約数ペア:

[(1, 2016400018), (2, 1008200009), (23, 87669566), (46, 43834783), (61, 33055738), (122, 16527869), (1403, 1437206), (2806, 718603)]