201216985

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{2143}}^1$

素因数の和:2448

約数の個数: 16

約数和(自身を含む): 245445120

約数和(自身を除く): 44228135

約数列:

[1, 5, 89, 211, 445, 1055, 2143, 10715, 18779, 93895, 190727, 452173, 953635, 2260865, 40243397, 201216985]

約数ペア:

[(1, 201216985), (5, 40243397), (89, 2260865), (211, 953635), (445, 452173), (1055, 190727), (2143, 93895), (10715, 18779)]