78338416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{376627}}^1$

素因数の和:376648

約数の個数: 20

約数和(自身を含む): 163456552

約数和(自身を除く): 85118136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 376627, 753254, 1506508, 3013016, 4896151, 6026032, 9792302, 19584604, 39169208, 78338416]

約数ペア:

[(1, 78338416), (2, 39169208), (4, 19584604), (8, 9792302), (13, 6026032), (16, 4896151), (26, 3013016), (52, 1506508), (104, 753254), (208, 376627)]