81657876678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{3617}}^1\times {\mathrm{537527}}^1$

素因数の和:541156

約数の個数: 32

約数和(自身を含む): 186698525184

約数和(自身を除く): 105040648506

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 3617, 7234, 10851, 21702, 25319, 50638, 75957, 151914, 537527, 1075054, 1612581, 3225162, 3762689, 7525378, 11288067, 22576134, 1944235159, 3888470318, 5832705477, 11665410954, 13609646113, 27219292226, 40828938339, 81657876678]

約数ペア:

[(1, 81657876678), (2, 40828938339), (3, 27219292226), (6, 13609646113), (7, 11665410954), (14, 5832705477), (21, 3888470318), (42, 1944235159), (3617, 22576134), (7234, 11288067), (10851, 7525378), (21702, 3762689), (25319, 3225162), (50638, 1612581), (75957, 1075054), (151914, 537527)]