81914245

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 122812416

約数和(自身を除く): 40898171

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 2635, 3689, 4441, 18445, 22205, 31087, 75497, 137671, 155435, 377485, 528479, 688355, 963697, 2340407, 2642395, 4818485, 11702035, 16382849, 81914245]

約数ペア:

[(1, 81914245), (5, 16382849), (7, 11702035), (17, 4818485), (31, 2642395), (35, 2340407), (85, 963697), (119, 688355), (155, 528479), (217, 377485), (527, 155435), (595, 137671), (1085, 75497), (2635, 31087), (3689, 22205), (4441, 18445)]