28867517

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 6946723

約数列:

[1, 7, 19, 49, 101, 133, 307, 707, 931, 1919, 2149, 4949, 5833, 13433, 15043, 31007, 40831, 94031, 217049, 285817, 589133, 1519343, 4123931, 28867517]

約数ペア:

[(1, 28867517), (7, 4123931), (19, 1519343), (49, 589133), (101, 285817), (133, 217049), (307, 94031), (707, 40831), (931, 31007), (1919, 15043), (2149, 13433), (4949, 5833)]