127980902

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 225052992

約数和(自身を除く): 97072090

約数列:

[1, 2, 7, 14, 53, 106, 173, 346, 371, 742, 997, 1211, 1994, 2422, 6979, 9169, 13958, 18338, 52841, 64183, 105682, 128366, 172481, 344962, 369887, 739774, 1207367, 2414734, 9141493, 18282986, 63990451, 127980902]

約数ペア:

[(1, 127980902), (2, 63990451), (7, 18282986), (14, 9141493), (53, 2414734), (106, 1207367), (173, 739774), (346, 369887), (371, 344962), (742, 172481), (997, 128366), (1211, 105682), (1994, 64183), (2422, 52841), (6979, 18338), (9169, 13958)]