1904155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 2527200

約数和(自身を除く): 623045

約数列:

[1, 5, 11, 55, 89, 389, 445, 979, 1945, 4279, 4895, 21395, 34621, 173105, 380831, 1904155]

約数ペア:

[(1, 1904155), (5, 380831), (11, 173105), (55, 34621), (89, 21395), (389, 4895), (445, 4279), (979, 1945)]