87628247

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{17807}}^1$

素因数の和:17870

約数の個数: 16

約数和(自身を含む): 108272640

約数和(自身を除く): 20644393

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 17807, 124649, 338333, 658859, 2368331, 4612013, 12518321, 87628247]

約数ペア:

[(1, 87628247), (7, 12518321), (19, 4612013), (37, 2368331), (133, 658859), (259, 338333), (703, 124649), (4921, 17807)]