56478018

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{409261}}^1$

素因数の和:409289

約数の個数: 16

約数和(自身を含む): 117867456

約数和(自身を除く): 61389438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 409261, 818522, 1227783, 2455566, 9413003, 18826006, 28239009, 56478018]

約数ペア:

[(1, 56478018), (2, 28239009), (3, 18826006), (6, 9413003), (23, 2455566), (46, 1227783), (69, 818522), (138, 409261)]