138837769

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 172409600

約数和(自身を除く): 33571831

約数列:

[1, 7, 19, 61, 109, 133, 157, 427, 763, 1099, 1159, 2071, 2983, 6649, 8113, 9577, 14497, 17113, 20881, 46543, 67039, 119791, 126331, 181963, 325147, 884317, 1043893, 1273741, 2276029, 7307251, 19833967, 138837769]

約数ペア:

[(1, 138837769), (7, 19833967), (19, 7307251), (61, 2276029), (109, 1273741), (133, 1043893), (157, 884317), (427, 325147), (763, 181963), (1099, 126331), (1159, 119791), (2071, 67039), (2983, 46543), (6649, 20881), (8113, 17113), (9577, 14497)]