84780815

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{78139}}^1$

素因数の和:78182

約数の個数: 16

約数和(自身を含む): 120023040

約数和(自身を除く): 35242225

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 78139, 390695, 546973, 2422309, 2734865, 12111545, 16956163, 84780815]

約数ペア:

[(1, 84780815), (5, 16956163), (7, 12111545), (31, 2734865), (35, 2422309), (155, 546973), (217, 390695), (1085, 78139)]