81348890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{10861}}^1$

素因数の和:10982

約数の個数: 32

約数和(自身を含む): 168925824

約数和(自身を除く): 87576934

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 10861, 21722, 54305, 76027, 108610, 152054, 380135, 760270, 1162127, 2324254, 5810635, 8134889, 11621270, 16269778, 40674445, 81348890]

約数ペア:

[(1, 81348890), (2, 40674445), (5, 16269778), (7, 11621270), (10, 8134889), (14, 5810635), (35, 2324254), (70, 1162127), (107, 760270), (214, 380135), (535, 152054), (749, 108610), (1070, 76027), (1498, 54305), (3745, 21722), (7490, 10861)]