81988550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{541}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 175009632

約数和(自身を除く): 93021082

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 433, 541, 866, 1082, 2165, 2705, 3031, 3787, 4330, 5410, 6062, 7574, 10825, 13525, 15155, 18935, 21650, 27050, 30310, 37870, 75775, 94675, 151550, 189350, 234253, 468506, 1171265, 1639771, 2342530, 3279542, 5856325, 8198855, 11712650, 16397710, 40994275, 81988550]

約数ペア:

[(1, 81988550), (2, 40994275), (5, 16397710), (7, 11712650), (10, 8198855), (14, 5856325), (25, 3279542), (35, 2342530), (50, 1639771), (70, 1171265), (175, 468506), (350, 234253), (433, 189350), (541, 151550), (866, 94675), (1082, 75775), (2165, 37870), (2705, 30310), (3031, 27050), (3787, 21650), (4330, 18935), (5410, 15155), (6062, 13525), (7574, 10825)]