1690585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 2257920

約数和(自身を除く): 567335

約数列:

[1, 5, 13, 31, 65, 155, 403, 839, 2015, 4195, 10907, 26009, 54535, 130045, 338117, 1690585]

約数ペア:

[(1, 1690585), (5, 338117), (13, 130045), (31, 54535), (65, 26009), (155, 10907), (403, 4195), (839, 2015)]