81396416

素因数分解:

$2^6\times {\mathrm{739}}^1\times {\mathrm{1721}}^1$

素因数の和:2472

約数の個数: 28

約数和(自身を含む): 161833560

約数和(自身を除く): 80437144

約数列:

[1, 2, 4, 8, 16, 32, 64, 739, 1478, 1721, 2956, 3442, 5912, 6884, 11824, 13768, 23648, 27536, 47296, 55072, 110144, 1271819, 2543638, 5087276, 10174552, 20349104, 40698208, 81396416]

約数ペア:

[(1, 81396416), (2, 40698208), (4, 20349104), (8, 10174552), (16, 5087276), (32, 2543638), (64, 1271819), (739, 110144), (1478, 55072), (1721, 47296), (2956, 27536), (3442, 23648), (5912, 13768), (6884, 11824)]