81449212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1798

約数の個数: 36

約数和(自身を含む): 156609936

約数和(自身を除く): 75160724

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 169, 284, 338, 676, 923, 1697, 1846, 3394, 3692, 6788, 11999, 22061, 23998, 44122, 47996, 88244, 120487, 240974, 286793, 481948, 573586, 1147172, 1566331, 3132662, 6265324, 20362303, 40724606, 81449212]

約数ペア:

[(1, 81449212), (2, 40724606), (4, 20362303), (13, 6265324), (26, 3132662), (52, 1566331), (71, 1147172), (142, 573586), (169, 481948), (284, 286793), (338, 240974), (676, 120487), (923, 88244), (1697, 47996), (1846, 44122), (3394, 23998), (3692, 22061), (6788, 11999)]