208219955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{5231}}^1$

素因数の和:5674

約数の個数: 16

約数和(自身を含む): 263692800

約数和(自身を除く): 55472845

約数列:

[1, 5, 19, 95, 419, 2095, 5231, 7961, 26155, 39805, 99389, 496945, 2191789, 10958945, 41643991, 208219955]

約数ペア:

[(1, 208219955), (5, 41643991), (19, 10958945), (95, 2191789), (419, 496945), (2095, 99389), (5231, 39805), (7961, 26155)]