216209531

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1109}}^1$

素因数の和:1490

約数の個数: 16

約数和(自身を含む): 235852800

約数和(自身を除く): 19643269

約数列:

[1, 19, 31, 331, 589, 1109, 6289, 10261, 21071, 34379, 194959, 367079, 653201, 6974501, 11379449, 216209531]

約数ペア:

[(1, 216209531), (19, 11379449), (31, 6974501), (331, 653201), (589, 367079), (1109, 194959), (6289, 34379), (10261, 21071)]