258304886

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{51109}}^1$

素因数の和:51156

約数の個数: 24

約数和(自身を含む): 467349840

約数和(自身を除く): 209044954

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 51109, 102218, 357763, 715526, 971071, 1942142, 6797497, 13594994, 18450349, 36900698, 129152443, 258304886]

約数ペア:

[(1, 258304886), (2, 129152443), (7, 36900698), (14, 18450349), (19, 13594994), (38, 6797497), (133, 1942142), (266, 971071), (361, 715526), (722, 357763), (2527, 102218), (5054, 51109)]