87157265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{4051}}^1$

素因数の和:4400

約数の個数: 16

約数和(自身を含む): 113002176

約数和(自身を除く): 25844911

約数列:

[1, 5, 13, 65, 331, 1655, 4051, 4303, 20255, 21515, 52663, 263315, 1340881, 6704405, 17431453, 87157265]

約数ペア:

[(1, 87157265), (5, 17431453), (13, 6704405), (65, 1340881), (331, 263315), (1655, 52663), (4051, 21515), (4303, 20255)]