2017205915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197089}}^1$

素因数の和:197206

約数の個数: 16

約数和(自身を含む): 2554286400

約数和(自身を除く): 537080485

約数列:

[1, 5, 23, 89, 115, 445, 2047, 10235, 197089, 985445, 4533047, 17540921, 22665235, 87704605, 403441183, 2017205915]

約数ペア:

[(1, 2017205915), (5, 403441183), (23, 87704605), (89, 22665235), (115, 17540921), (445, 4533047), (2047, 985445), (10235, 197089)]