81240388

素因数分解:

$2^2\times {\mathrm{1471}}^1\times {\mathrm{13807}}^1$

素因数の和:15282

約数の個数: 12

約数和(自身を含む): 142277632

約数和(自身を除く): 61037244

約数列:

[1, 2, 4, 1471, 2942, 5884, 13807, 27614, 55228, 20310097, 40620194, 81240388]

約数ペア:

[(1, 81240388), (2, 40620194), (4, 20310097), (1471, 55228), (2942, 27614), (5884, 13807)]