2109745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 2799360

約数和(自身を除く): 689615

約数列:

[1, 5, 11, 55, 89, 431, 445, 979, 2155, 4741, 4895, 23705, 38359, 191795, 421949, 2109745]

約数ペア:

[(1, 2109745), (5, 421949), (11, 191795), (55, 38359), (89, 23705), (431, 4895), (445, 4741), (979, 2155)]