215899679

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1709}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 233244000

約数和(自身を除く): 17344321

約数列:

[1, 19, 61, 109, 1159, 1709, 2071, 6649, 32471, 104249, 126331, 186281, 1980731, 3539339, 11363141, 215899679]

約数ペア:

[(1, 215899679), (19, 11363141), (61, 3539339), (109, 1980731), (1159, 186281), (1709, 126331), (2071, 104249), (6649, 32471)]