81208568

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23773}}^1$

素因数の和:23847

約数の個数: 32

約数和(自身を含む): 176878560

約数和(自身を除く): 95669992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 23773, 47546, 95092, 166411, 190184, 332822, 665644, 1331288, 1450153, 2900306, 5800612, 10151071, 11601224, 20302142, 40604284, 81208568]

約数ペア:

[(1, 81208568), (2, 40604284), (4, 20302142), (7, 11601224), (8, 10151071), (14, 5800612), (28, 2900306), (56, 1450153), (61, 1331288), (122, 665644), (244, 332822), (427, 190184), (488, 166411), (854, 95092), (1708, 47546), (3416, 23773)]