280711206

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{820793}}^1$

素因数の和:820820

約数の個数: 24

約数和(自身を含む): 640219320

約数和(自身を除く): 359508114

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 820793, 1641586, 2462379, 4924758, 7387137, 14774274, 15595067, 31190134, 46785201, 93570402, 140355603, 280711206]

約数ペア:

[(1, 280711206), (2, 140355603), (3, 93570402), (6, 46785201), (9, 31190134), (18, 15595067), (19, 14774274), (38, 7387137), (57, 4924758), (114, 2462379), (171, 1641586), (342, 820793)]