1997359870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{26821}}^1$

素因数の和:27516

約数の個数: 32

約数和(自身を含む): 3928028256

約数和(自身を除く): 1930668386

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 677, 1354, 3385, 6770, 7447, 14894, 26821, 37235, 53642, 74470, 134105, 268210, 295031, 590062, 1475155, 2950310, 18157817, 36315634, 90789085, 181578170, 199735987, 399471974, 998679935, 1997359870]

約数ペア:

[(1, 1997359870), (2, 998679935), (5, 399471974), (10, 199735987), (11, 181578170), (22, 90789085), (55, 36315634), (110, 18157817), (677, 2950310), (1354, 1475155), (3385, 590062), (6770, 295031), (7447, 268210), (14894, 134105), (26821, 74470), (37235, 53642)]