214980865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{90901}}^1$

素因数の和:90960

約数の個数: 16

約数和(自身を含む): 287977536

約数和(自身を除く): 72996671

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 90901, 454505, 999911, 3908743, 4999555, 19543715, 42996173, 214980865]

約数ペア:

[(1, 214980865), (5, 42996173), (11, 19543715), (43, 4999555), (55, 3908743), (215, 999911), (473, 454505), (2365, 90901)]