218538437

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{28541}}^1$

素因数の和:28604

約数の個数: 16

約数和(自身を含む): 255736320

約数和(自身を除く): 37197883

約数列:

[1, 13, 19, 31, 247, 403, 589, 7657, 28541, 371033, 542279, 884771, 7049627, 11502023, 16810649, 218538437]

約数ペア:

[(1, 218538437), (13, 16810649), (19, 11502023), (31, 7049627), (247, 884771), (403, 542279), (589, 371033), (7657, 28541)]