987707585

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{135581}}^1$

素因数の和:135664

約数の個数: 16

約数和(自身を含む): 1249523712

約数和(自身を除く): 261816127

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 135581, 677905, 4203011, 6372307, 21015055, 31861535, 197541517, 987707585]

約数ペア:

[(1, 987707585), (5, 197541517), (31, 31861535), (47, 21015055), (155, 6372307), (235, 4203011), (1457, 677905), (7285, 135581)]