7640717

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 9712800

約数和(自身を除く): 2072083

約数列:

[1, 7, 19, 29, 49, 133, 203, 283, 551, 931, 1421, 1981, 3857, 5377, 8207, 13867, 26999, 37639, 57449, 155933, 263473, 402143, 1091531, 7640717]

約数ペア:

[(1, 7640717), (7, 1091531), (19, 402143), (29, 263473), (49, 155933), (133, 57449), (203, 37639), (283, 26999), (551, 13867), (931, 8207), (1421, 5377), (1981, 3857)]