219509978

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{3967}}^1$

素因数の和:4421

約数の個数: 16

約数和(自身を含む): 334740480

約数和(自身を除く): 115230502

約数列:

[1, 2, 73, 146, 379, 758, 3967, 7934, 27667, 55334, 289591, 579182, 1503493, 3006986, 109754989, 219509978]

約数ペア:

[(1, 219509978), (2, 109754989), (73, 3006986), (146, 1503493), (379, 579182), (758, 289591), (3967, 55334), (7934, 27667)]