215138159

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 244083840

約数和(自身を除く): 28945681

約数列:

[1, 19, 23, 43, 107, 437, 817, 989, 2033, 2461, 4601, 11449, 18791, 46759, 87419, 105823, 217531, 263327, 492307, 2010637, 5003213, 9353833, 11323061, 215138159]

約数ペア:

[(1, 215138159), (19, 11323061), (23, 9353833), (43, 5003213), (107, 2010637), (437, 492307), (817, 263327), (989, 217531), (2033, 105823), (2461, 87419), (4601, 46759), (11449, 18791)]