81330236

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3881}}^1$

素因数の和:3942

約数の個数: 36

約数和(自身を含む): 159130944

約数和(自身を除く): 77800708

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 3881, 5239, 7762, 10478, 15524, 20956, 50453, 100906, 120311, 201812, 240622, 481244, 655889, 1311778, 1564043, 2623556, 3128086, 6256172, 20332559, 40665118, 81330236]

約数ペア:

[(1, 81330236), (2, 40665118), (4, 20332559), (13, 6256172), (26, 3128086), (31, 2623556), (52, 1564043), (62, 1311778), (124, 655889), (169, 481244), (338, 240622), (403, 201812), (676, 120311), (806, 100906), (1612, 50453), (3881, 20956), (5239, 15524), (7762, 10478)]