1643741

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 16

約数和(自身を含む): 1918080

約数和(自身を除く): 274339

約数列:

[1, 11, 23, 73, 89, 253, 803, 979, 1679, 2047, 6497, 18469, 22517, 71467, 149431, 1643741]

約数ペア:

[(1, 1643741), (11, 149431), (23, 71467), (73, 22517), (89, 18469), (253, 6497), (803, 2047), (979, 1679)]