1276781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1512000

約数和(自身を除く): 235219

約数列:

[1, 11, 19, 41, 149, 209, 451, 779, 1639, 2831, 6109, 8569, 31141, 67199, 116071, 1276781]

約数ペア:

[(1, 1276781), (11, 116071), (19, 67199), (41, 31141), (149, 8569), (209, 6109), (451, 2831), (779, 1639)]