201219985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{6653}}^1$

素因数の和:6944

約数の個数: 16

約数和(自身を含む): 252958464

約数和(自身を除く): 51738479

約数列:

[1, 5, 23, 115, 263, 1315, 6049, 6653, 30245, 33265, 153019, 765095, 1749739, 8748695, 40243997, 201219985]

約数ペア:

[(1, 201219985), (5, 40243997), (23, 8748695), (115, 1749739), (263, 765095), (1315, 153019), (6049, 33265), (6653, 30245)]