978889196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{12880121}}^1$

素因数の和:12880144

約数の個数: 12

約数和(自身を含む): 1803217080

約数和(自身を除く): 824327884

約数列:

[1, 2, 4, 19, 38, 76, 12880121, 25760242, 51520484, 244722299, 489444598, 978889196]

約数ペア:

[(1, 978889196), (2, 489444598), (4, 244722299), (19, 51520484), (38, 25760242), (76, 12880121)]