221821907

素因数分解:

${\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 233342208

約数和(自身を除く): 11520301

約数列:

[1, 43, 53, 131, 743, 2279, 5633, 6943, 31949, 39379, 97333, 298549, 1693297, 4185319, 5158649, 221821907]

約数ペア:

[(1, 221821907), (43, 5158649), (53, 4185319), (131, 1693297), (743, 298549), (2279, 97333), (5633, 39379), (6943, 31949)]