220147319

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{31231}}^1$

素因数の和:31310

約数の個数: 16

約数和(自身を含む): 269844480

約数和(自身を除く): 49697161

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 31231, 218617, 593389, 1655243, 4153723, 11586701, 31449617, 220147319]

約数ペア:

[(1, 220147319), (7, 31449617), (19, 11586701), (53, 4153723), (133, 1655243), (371, 593389), (1007, 218617), (7049, 31231)]