689226170

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1\times {\mathrm{1291}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 1252475136

約数和(自身を除く): 563248966

約数列:

[1, 2, 5, 10, 197, 271, 394, 542, 985, 1291, 1355, 1970, 2582, 2710, 6455, 12910, 53387, 106774, 254327, 266935, 349861, 508654, 533870, 699722, 1271635, 1749305, 2543270, 3498610, 68922617, 137845234, 344613085, 689226170]

約数ペア:

[(1, 689226170), (2, 344613085), (5, 137845234), (10, 68922617), (197, 3498610), (271, 2543270), (394, 1749305), (542, 1271635), (985, 699722), (1291, 533870), (1355, 508654), (1970, 349861), (2582, 266935), (2710, 254327), (6455, 106774), (12910, 53387)]