1634165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 2182656

約数和(自身を除く): 548491

約数列:

[1, 5, 13, 31, 65, 155, 403, 811, 2015, 4055, 10543, 25141, 52715, 125705, 326833, 1634165]

約数ペア:

[(1, 1634165), (5, 326833), (13, 125705), (31, 52715), (65, 25141), (155, 10543), (403, 4055), (811, 2015)]