86971585

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{13049}}^1$

素因数の和:13128

約数の個数: 16

約数和(自身を含む): 110246400

約数和(自身を除く): 23274815

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 13049, 65245, 404519, 561107, 2022595, 2805535, 17394317, 86971585]

約数ペア:

[(1, 86971585), (5, 17394317), (31, 2805535), (43, 2022595), (155, 561107), (215, 404519), (1333, 65245), (6665, 13049)]