81347812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17191}}^1$

素因数の和:17228

約数の個数: 36

約数和(自身を含む): 176183616

約数和(自身を除く): 94835804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 17191, 34382, 68764, 120337, 223483, 240674, 446966, 481348, 893932, 1564381, 2905279, 3128762, 5810558, 6257524, 11621116, 20336953, 40673906, 81347812]

約数ペア:

[(1, 81347812), (2, 40673906), (4, 20336953), (7, 11621116), (13, 6257524), (14, 5810558), (26, 3128762), (28, 2905279), (52, 1564381), (91, 893932), (169, 481348), (182, 446966), (338, 240674), (364, 223483), (676, 120337), (1183, 68764), (2366, 34382), (4732, 17191)]