78678236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{216149}}^1$

素因数の和:216173

約数の個数: 24

約数和(自身を含む): 169461600

約数和(自身を除く): 90783364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 216149, 432298, 864596, 1513043, 2809937, 3026086, 5619874, 6052172, 11239748, 19669559, 39339118, 78678236]

約数ペア:

[(1, 78678236), (2, 39339118), (4, 19669559), (7, 11239748), (13, 6052172), (14, 5619874), (26, 3026086), (28, 2809937), (52, 1513043), (91, 864596), (182, 432298), (364, 216149)]