28874167

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3646

約数の個数: 16

約数和(自身を含む): 35315200

約数和(自身を除く): 6441033

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3559, 8113, 24913, 67621, 217099, 473347, 1519693, 4124881, 28874167]

約数ペア:

[(1, 28874167), (7, 4124881), (19, 1519693), (61, 473347), (133, 217099), (427, 67621), (1159, 24913), (3559, 8113)]