86907919

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 107118960

約数和(自身を除く): 20211041

約数列:

[1, 7, 19, 49, 133, 277, 337, 931, 1939, 2359, 5263, 6403, 13573, 16513, 36841, 44821, 93349, 257887, 313747, 653443, 1773631, 4574101, 12415417, 86907919]

約数ペア:

[(1, 86907919), (7, 12415417), (19, 4574101), (49, 1773631), (133, 653443), (277, 313747), (337, 257887), (931, 93349), (1939, 44821), (2359, 36841), (5263, 16513), (6403, 13573)]