128540377

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 159071040

約数和(自身を除く): 30530663

約数列:

[1, 7, 19, 49, 101, 133, 707, 931, 1367, 1919, 4949, 9569, 13433, 25973, 66983, 94031, 138067, 181811, 966469, 1272677, 2623273, 6765283, 18362911, 128540377]

約数ペア:

[(1, 128540377), (7, 18362911), (19, 6765283), (49, 2623273), (101, 1272677), (133, 966469), (707, 181811), (931, 138067), (1367, 94031), (1919, 66983), (4949, 25973), (9569, 13433)]