81759244

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{3001}}^1$

素因数の和:3158

約数の個数: 36

約数和(自身を含む): 167691720

約数和(自身を除く): 85932476

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 973, 1946, 3001, 3892, 6002, 6811, 12004, 13622, 21007, 27244, 42014, 84028, 147049, 294098, 417139, 588196, 834278, 1668556, 2919973, 5839946, 11679892, 20439811, 40879622, 81759244]

約数ペア:

[(1, 81759244), (2, 40879622), (4, 20439811), (7, 11679892), (14, 5839946), (28, 2919973), (49, 1668556), (98, 834278), (139, 588196), (196, 417139), (278, 294098), (556, 147049), (973, 84028), (1946, 42014), (3001, 27244), (3892, 21007), (6002, 13622), (6811, 12004)]