15998171

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3251}}^1$

素因数の和:3314

約数の個数: 16

約数和(自身を含む): 19772160

約数和(自身を除く): 3773989

約数列:

[1, 7, 19, 37, 133, 259, 703, 3251, 4921, 22757, 61769, 120287, 432383, 842009, 2285453, 15998171]

約数ペア:

[(1, 15998171), (7, 2285453), (19, 842009), (37, 432383), (133, 120287), (259, 61769), (703, 22757), (3251, 4921)]